WO2011108622A1 - パーフルオロアルカンスルフィン酸塩の製造方法 - Google Patents
パーフルオロアルカンスルフィン酸塩の製造方法 Download PDFInfo
- Publication number
- WO2011108622A1 WO2011108622A1 PCT/JP2011/054844 JP2011054844W WO2011108622A1 WO 2011108622 A1 WO2011108622 A1 WO 2011108622A1 JP 2011054844 W JP2011054844 W JP 2011054844W WO 2011108622 A1 WO2011108622 A1 WO 2011108622A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- alkali metal
- water
- acid
- reaction
- potassium
- Prior art date
Links
- 238000002360 preparation method Methods 0.000 title abstract description 3
- DOUHZFSGSXMPIE-UHFFFAOYSA-N hydroxidooxidosulfur(.) Chemical compound [O]SO DOUHZFSGSXMPIE-UHFFFAOYSA-N 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 238000006243 chemical reaction Methods 0.000 claims abstract description 75
- -1 alkali metal perfluorosulfinate Chemical class 0.000 claims abstract description 68
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 62
- 239000000706 filtrate Substances 0.000 claims abstract description 37
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 23
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 23
- 239000011593 sulfur Substances 0.000 claims abstract description 23
- 239000011541 reaction mixture Substances 0.000 claims abstract description 12
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 34
- 239000002253 acid Substances 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 28
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical group [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 24
- 150000004820 halides Chemical class 0.000 claims description 23
- BHZRJJOHZFYXTO-UHFFFAOYSA-L potassium sulfite Chemical compound [K+].[K+].[O-]S([O-])=O BHZRJJOHZFYXTO-UHFFFAOYSA-L 0.000 claims description 17
- 235000019252 potassium sulphite Nutrition 0.000 claims description 17
- 150000007514 bases Chemical class 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 15
- 235000010265 sodium sulphite Nutrition 0.000 claims description 12
- 150000001340 alkali metals Chemical class 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 claims description 6
- 235000019345 sodium thiosulphate Nutrition 0.000 claims description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 5
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 5
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical group [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 4
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical group OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 4
- FGRVOLIFQGXPCT-UHFFFAOYSA-L dipotassium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane Chemical compound [K+].[K+].[O-]S([O-])(=O)=S FGRVOLIFQGXPCT-UHFFFAOYSA-L 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 239000011591 potassium Chemical group 0.000 claims description 4
- 229910052700 potassium Inorganic materials 0.000 claims description 4
- DJEHXEMURTVAOE-UHFFFAOYSA-M potassium bisulfite Chemical compound [K+].OS([O-])=O DJEHXEMURTVAOE-UHFFFAOYSA-M 0.000 claims description 4
- 235000010259 potassium hydrogen sulphite Nutrition 0.000 claims description 4
- 229940079827 sodium hydrogen sulfite Drugs 0.000 claims description 4
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 4
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052794 bromium Inorganic materials 0.000 claims description 3
- 229910052792 caesium Chemical group 0.000 claims description 3
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical group [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 239000000460 chlorine Chemical group 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- WBZKQQHYRPRKNJ-UHFFFAOYSA-N disulfurous acid Chemical compound OS(=O)S(O)(=O)=O WBZKQQHYRPRKNJ-UHFFFAOYSA-N 0.000 claims description 3
- RMGVZKRVHHSUIM-UHFFFAOYSA-N dithionic acid Chemical compound OS(=O)(=O)S(O)(=O)=O RMGVZKRVHHSUIM-UHFFFAOYSA-N 0.000 claims description 3
- 125000001153 fluoro group Chemical group F* 0.000 claims description 3
- 229940079826 hydrogen sulfite Drugs 0.000 claims description 3
- 229910052740 iodine Chemical group 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Chemical group 0.000 claims description 3
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 3
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical group ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 2
- 229910052701 rubidium Inorganic materials 0.000 claims description 2
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical group [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 abstract description 36
- 239000002699 waste material Substances 0.000 abstract description 14
- 238000000605 extraction Methods 0.000 abstract description 13
- 239000003960 organic solvent Substances 0.000 abstract description 11
- 239000012535 impurity Substances 0.000 abstract description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 2
- 239000011707 mineral Substances 0.000 abstract 2
- 239000000243 solution Substances 0.000 description 55
- 239000007787 solid Substances 0.000 description 33
- GRGCWBWNLSTIEN-UHFFFAOYSA-N trifluoromethanesulfonyl chloride Chemical compound FC(F)(F)S(Cl)(=O)=O GRGCWBWNLSTIEN-UHFFFAOYSA-N 0.000 description 28
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 27
- 238000001914 filtration Methods 0.000 description 26
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 21
- YJPOHGDCIPEPET-UHFFFAOYSA-M potassium;trifluoromethanesulfinate Chemical compound [K+].[O-]S(=O)C(F)(F)F YJPOHGDCIPEPET-UHFFFAOYSA-M 0.000 description 19
- 239000007788 liquid Substances 0.000 description 14
- 238000004255 ion exchange chromatography Methods 0.000 description 13
- 239000007864 aqueous solution Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 238000001035 drying Methods 0.000 description 9
- 239000010815 organic waste Substances 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- KAVUKAXLXGRUCD-UHFFFAOYSA-M sodium trifluoromethanesulfinate Chemical compound [Na+].[O-]S(=O)C(F)(F)F KAVUKAXLXGRUCD-UHFFFAOYSA-M 0.000 description 7
- SLVAEVYIJHDKRO-UHFFFAOYSA-N trifluoromethanesulfonyl fluoride Chemical compound FC(F)(F)S(F)(=O)=O SLVAEVYIJHDKRO-UHFFFAOYSA-N 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 7
- 239000002904 solvent Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 229910000027 potassium carbonate Inorganic materials 0.000 description 5
- 235000011181 potassium carbonates Nutrition 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 239000000543 intermediate Substances 0.000 description 4
- BUUPQKDIAURBJP-UHFFFAOYSA-N sulfinic acid Chemical compound OS=O BUUPQKDIAURBJP-UHFFFAOYSA-N 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 229960003975 potassium Drugs 0.000 description 3
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 3
- 229910052939 potassium sulfate Inorganic materials 0.000 description 3
- 235000011151 potassium sulphates Nutrition 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- VQHMMOSXFHZLPI-UHFFFAOYSA-N 1,1,2,2,2-pentafluoroethanesulfonyl chloride Chemical compound FC(F)(F)C(F)(F)S(Cl)(=O)=O VQHMMOSXFHZLPI-UHFFFAOYSA-N 0.000 description 2
- JUZCVRZJGRPWJZ-UHFFFAOYSA-N 1,1,2,2,2-pentafluoroethanesulfonyl fluoride Chemical compound FC(F)(F)C(F)(F)S(F)(=O)=O JUZCVRZJGRPWJZ-UHFFFAOYSA-N 0.000 description 2
- MBRMSYINDYKBAT-UHFFFAOYSA-N 1,1,2,2,3,3,3-heptafluoropropane-1-sulfonyl chloride Chemical compound FC(F)(F)C(F)(F)C(F)(F)S(Cl)(=O)=O MBRMSYINDYKBAT-UHFFFAOYSA-N 0.000 description 2
- GCDXWZPDZBWMJA-UHFFFAOYSA-N 1,1,2,2,3,3,3-heptafluoropropane-1-sulfonyl fluoride Chemical compound FC(F)(F)C(F)(F)C(F)(F)S(F)(=O)=O GCDXWZPDZBWMJA-UHFFFAOYSA-N 0.000 description 2
- IRFCLLARAUQTNK-UHFFFAOYSA-N 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonyl chloride Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)S(Cl)(=O)=O IRFCLLARAUQTNK-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- SUPUVLWGKPVHBQ-UHFFFAOYSA-M lithium sulfite Chemical compound [Li+].OS([O-])=O SUPUVLWGKPVHBQ-UHFFFAOYSA-M 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- LUYQYZLEHLTPBH-UHFFFAOYSA-N perfluorobutanesulfonyl fluoride Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)S(F)(=O)=O LUYQYZLEHLTPBH-UHFFFAOYSA-N 0.000 description 2
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 2
- 229910001950 potassium oxide Inorganic materials 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000004094 preconcentration Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- CPRMKOQKXYSDML-UHFFFAOYSA-M rubidium hydroxide Chemical compound [OH-].[Rb+] CPRMKOQKXYSDML-UHFFFAOYSA-M 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 229940001474 sodium thiosulfate Drugs 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- SFEBPWPPVGRFOA-UHFFFAOYSA-N trifluoromethanesulfinic acid Chemical compound OS(=O)C(F)(F)F SFEBPWPPVGRFOA-UHFFFAOYSA-N 0.000 description 2
- AZTKXNSPQZIUDX-UHFFFAOYSA-N trifluoromethylsulfonylmethylbenzene Chemical compound FC(F)(F)S(=O)(=O)CC1=CC=CC=C1 AZTKXNSPQZIUDX-UHFFFAOYSA-N 0.000 description 2
- 238000005292 vacuum distillation Methods 0.000 description 2
- FQAYISDRSLAEBH-UHFFFAOYSA-N 1,1,1,2,3,3,3-heptafluoropropane-2-sulfonyl bromide Chemical compound FC(F)(F)C(F)(C(F)(F)F)S(Br)(=O)=O FQAYISDRSLAEBH-UHFFFAOYSA-N 0.000 description 1
- CBNADZHULCMPLN-UHFFFAOYSA-N 1,1,1,2,3,3,3-heptafluoropropane-2-sulfonyl chloride Chemical compound FC(F)(F)C(F)(C(F)(F)F)S(Cl)(=O)=O CBNADZHULCMPLN-UHFFFAOYSA-N 0.000 description 1
- DDLQXCLZPZFYNL-UHFFFAOYSA-N 1,1,1,2,3,3,3-heptafluoropropane-2-sulfonyl iodide Chemical compound FC(F)(F)C(F)(C(F)(F)F)S(I)(=O)=O DDLQXCLZPZFYNL-UHFFFAOYSA-N 0.000 description 1
- CWGVUTDTWJZCRO-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoro-2-(trifluoromethyl)propane-2-sulfonyl bromide Chemical compound FC(F)(F)C(C(F)(F)F)(C(F)(F)F)S(Br)(=O)=O CWGVUTDTWJZCRO-UHFFFAOYSA-N 0.000 description 1
- WTPPZSVIUAFLAQ-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoro-2-(trifluoromethyl)propane-2-sulfonyl chloride Chemical compound FC(F)(F)C(C(F)(F)F)(C(F)(F)F)S(Cl)(=O)=O WTPPZSVIUAFLAQ-UHFFFAOYSA-N 0.000 description 1
- BBUIUTQTHBRBMI-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoro-2-(trifluoromethyl)propane-2-sulfonyl fluoride Chemical compound FC(F)(F)C(C(F)(F)F)(C(F)(F)F)S(F)(=O)=O BBUIUTQTHBRBMI-UHFFFAOYSA-N 0.000 description 1
- FFRHTSMXHIEGLX-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoro-2-(trifluoromethyl)propane-2-sulfonyl iodide Chemical compound FC(F)(F)C(C(F)(F)F)(C(F)(F)F)S(I)(=O)=O FFRHTSMXHIEGLX-UHFFFAOYSA-N 0.000 description 1
- QQXQHCDPTVLMOO-UHFFFAOYSA-N 1,1,2,2,2-pentafluoroethanesulfonyl bromide Chemical compound FC(F)(F)C(F)(F)S(Br)(=O)=O QQXQHCDPTVLMOO-UHFFFAOYSA-N 0.000 description 1
- LFKBCIMLPVZLAO-UHFFFAOYSA-N 1,1,2,2,2-pentafluoroethanesulfonyl iodide Chemical compound FC(F)(F)C(F)(F)S(I)(=O)=O LFKBCIMLPVZLAO-UHFFFAOYSA-N 0.000 description 1
- FYCUNTGQPFIWIO-UHFFFAOYSA-N 1,1,2,2,3,3,3-heptafluoropropane-1-sulfonyl bromide Chemical compound FC(F)(F)C(F)(F)C(F)(F)S(Br)(=O)=O FYCUNTGQPFIWIO-UHFFFAOYSA-N 0.000 description 1
- CKGXOJLVPKPGQU-UHFFFAOYSA-N 1,1,2,2,3,3,3-heptafluoropropane-1-sulfonyl iodide Chemical compound FC(F)(F)C(F)(F)C(F)(F)S(I)(=O)=O CKGXOJLVPKPGQU-UHFFFAOYSA-N 0.000 description 1
- IWPMSGXRTNEXOT-UHFFFAOYSA-N 1,1,2,3,3,3-hexafluoro-2-(trifluoromethyl)propane-1-sulfonyl bromide Chemical compound FC(F)(F)C(F)(C(F)(F)F)C(F)(F)S(Br)(=O)=O IWPMSGXRTNEXOT-UHFFFAOYSA-N 0.000 description 1
- ZMLGAEKUXGBGRK-UHFFFAOYSA-N 1,1,2,3,3,3-hexafluoro-2-(trifluoromethyl)propane-1-sulfonyl chloride Chemical compound FC(F)(F)C(F)(C(F)(F)F)C(F)(F)S(Cl)(=O)=O ZMLGAEKUXGBGRK-UHFFFAOYSA-N 0.000 description 1
- BAMFZCOMXOGMCP-UHFFFAOYSA-N 1,1,2,3,3,3-hexafluoro-2-(trifluoromethyl)propane-1-sulfonyl fluoride Chemical compound FC(F)(F)C(F)(C(F)(F)F)C(F)(F)S(F)(=O)=O BAMFZCOMXOGMCP-UHFFFAOYSA-N 0.000 description 1
- OZZBIGXDRWORBA-UHFFFAOYSA-N 1,1,2,3,3,3-hexafluoro-2-(trifluoromethyl)propane-1-sulfonyl iodide Chemical compound FC(F)(F)C(F)(C(F)(F)F)C(F)(F)S(I)(=O)=O OZZBIGXDRWORBA-UHFFFAOYSA-N 0.000 description 1
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- MFGOFGRYDNHJTA-UHFFFAOYSA-N 2-amino-1-(2-fluorophenyl)ethanol Chemical compound NCC(O)C1=CC=CC=C1F MFGOFGRYDNHJTA-UHFFFAOYSA-N 0.000 description 1
- FUSNOPLQVRUIIM-UHFFFAOYSA-N 4-amino-2-(4,4-dimethyl-2-oxoimidazolidin-1-yl)-n-[3-(trifluoromethyl)phenyl]pyrimidine-5-carboxamide Chemical compound O=C1NC(C)(C)CN1C(N=C1N)=NC=C1C(=O)NC1=CC=CC(C(F)(F)F)=C1 FUSNOPLQVRUIIM-UHFFFAOYSA-N 0.000 description 1
- FTIBGHOWVJVQPO-UHFFFAOYSA-N 5-[2-methyl-5-(trifluoromethyl)pyrazol-3-yl]thiophene-2-sulfonyl chloride Chemical compound CN1N=C(C(F)(F)F)C=C1C1=CC=C(S(Cl)(=O)=O)S1 FTIBGHOWVJVQPO-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical group [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229910000792 Monel Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- OPCOHDIXWMGTOY-UHFFFAOYSA-L [Cs+].[Cs+].[O-]S(=O)S([O-])(=O)=O Chemical compound [Cs+].[Cs+].[O-]S(=O)S([O-])(=O)=O OPCOHDIXWMGTOY-UHFFFAOYSA-L 0.000 description 1
- CDLXHUQXVDKSLW-UHFFFAOYSA-L [Cs+].[Cs+].[O-]S(=O)S([O-])=O Chemical compound [Cs+].[Cs+].[O-]S(=O)S([O-])=O CDLXHUQXVDKSLW-UHFFFAOYSA-L 0.000 description 1
- ZOXRXNSRXMXSQT-UHFFFAOYSA-L [Li+].[Li+].[O-]S(=O)S([O-])(=O)=O Chemical compound [Li+].[Li+].[O-]S(=O)S([O-])(=O)=O ZOXRXNSRXMXSQT-UHFFFAOYSA-L 0.000 description 1
- XRZCZQUCDBWELQ-UHFFFAOYSA-L [Li+].[Li+].[O-]S(=O)S([O-])=O Chemical compound [Li+].[Li+].[O-]S(=O)S([O-])=O XRZCZQUCDBWELQ-UHFFFAOYSA-L 0.000 description 1
- RNJINWWXHDJXOF-UHFFFAOYSA-L [Rb+].[Rb+].[O-]S(=O)S([O-])(=O)=O Chemical compound [Rb+].[Rb+].[O-]S(=O)S([O-])(=O)=O RNJINWWXHDJXOF-UHFFFAOYSA-L 0.000 description 1
- NQCACSDIPTYDFO-UHFFFAOYSA-L [Rb+].[Rb+].[O-]S(=O)S([O-])=O Chemical compound [Rb+].[Rb+].[O-]S(=O)S([O-])=O NQCACSDIPTYDFO-UHFFFAOYSA-L 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- ZMCUDHNSHCRDBT-UHFFFAOYSA-M caesium bicarbonate Chemical compound [Cs+].OC([O-])=O ZMCUDHNSHCRDBT-UHFFFAOYSA-M 0.000 description 1
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 1
- 229910000024 caesium carbonate Inorganic materials 0.000 description 1
- HUCVOHYBFXVBRW-UHFFFAOYSA-M caesium hydroxide Inorganic materials [OH-].[Cs+] HUCVOHYBFXVBRW-UHFFFAOYSA-M 0.000 description 1
- KOPBYBDAPCDYFK-UHFFFAOYSA-N caesium oxide Chemical compound [O-2].[Cs+].[Cs+] KOPBYBDAPCDYFK-UHFFFAOYSA-N 0.000 description 1
- 229910001942 caesium oxide Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- YQRQRUBEHCXCPR-UHFFFAOYSA-M cesium hydrogen sulfite Chemical compound [Cs+].OS([O-])=O YQRQRUBEHCXCPR-UHFFFAOYSA-M 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- OKDOLBRCQSOMNV-UHFFFAOYSA-L dicesium dioxido-oxo-sulfanylidene-lambda6-sulfane Chemical compound [Cs+].[Cs+].[O-]S([O-])(=O)=S OKDOLBRCQSOMNV-UHFFFAOYSA-L 0.000 description 1
- QTNDMWXOEPGHBT-UHFFFAOYSA-N dicesium;sulfide Chemical compound [S-2].[Cs+].[Cs+] QTNDMWXOEPGHBT-UHFFFAOYSA-N 0.000 description 1
- GMKDNCQTOAHUQG-UHFFFAOYSA-L dilithium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane Chemical compound [Li+].[Li+].[O-]S([O-])(=O)=S GMKDNCQTOAHUQG-UHFFFAOYSA-L 0.000 description 1
- UCEQBRIYUDETAF-UHFFFAOYSA-L dioxido-oxo-sulfanylidene-lambda6-sulfane rubidium(1+) Chemical compound [Rb+].[Rb+].[O-]S([O-])(=O)=S UCEQBRIYUDETAF-UHFFFAOYSA-L 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 1
- FQTIYMRSUOADDK-UHFFFAOYSA-N ethyl 3-bromopropanoate Chemical compound CCOC(=O)CCBr FQTIYMRSUOADDK-UHFFFAOYSA-N 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910000856 hastalloy Inorganic materials 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 239000012493 hydrazine sulfate Substances 0.000 description 1
- 229910000377 hydrazine sulfate Inorganic materials 0.000 description 1
- 150000002429 hydrazines Chemical class 0.000 description 1
- PIKZVDUDZKWKBN-UHFFFAOYSA-M hydrogen sulfite;rubidium(1+) Chemical compound [Rb+].OS([O-])=O PIKZVDUDZKWKBN-UHFFFAOYSA-M 0.000 description 1
- KEDRKJFXBSLXSI-UHFFFAOYSA-M hydron;rubidium(1+);carbonate Chemical compound [Rb+].OC([O-])=O KEDRKJFXBSLXSI-UHFFFAOYSA-M 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000011630 iodine Chemical group 0.000 description 1
- 238000010667 large scale reaction Methods 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- GLNWILHOFOBOFD-UHFFFAOYSA-N lithium sulfide Chemical compound [Li+].[Li+].[S-2] GLNWILHOFOBOFD-UHFFFAOYSA-N 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 125000005151 nonafluorobutanesulfonyl group Chemical group FC(C(C(S(=O)(=O)*)(F)F)(F)F)(C(F)(F)F)F 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- HEZHYQDYRPUXNJ-UHFFFAOYSA-L potassium dithionite Chemical compound [K+].[K+].[O-]S(=O)S([O-])=O HEZHYQDYRPUXNJ-UHFFFAOYSA-L 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 229940086066 potassium hydrogencarbonate Drugs 0.000 description 1
- RWPGFSMJFRPDDP-UHFFFAOYSA-L potassium metabisulfite Chemical compound [K+].[K+].[O-]S(=O)S([O-])(=O)=O RWPGFSMJFRPDDP-UHFFFAOYSA-L 0.000 description 1
- 235000010263 potassium metabisulphite Nutrition 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- WPFGFHJALYCVMO-UHFFFAOYSA-L rubidium carbonate Chemical compound [Rb+].[Rb+].[O-]C([O-])=O WPFGFHJALYCVMO-UHFFFAOYSA-L 0.000 description 1
- 229910000026 rubidium carbonate Inorganic materials 0.000 description 1
- 229910001952 rubidium oxide Inorganic materials 0.000 description 1
- SBRXQVGXQDDCIK-UHFFFAOYSA-L rubidium(1+) sulfite Chemical compound [Rb+].[Rb+].[O-]S([O-])=O SBRXQVGXQDDCIK-UHFFFAOYSA-L 0.000 description 1
- CWBWCLMMHLCMAM-UHFFFAOYSA-M rubidium(1+);hydroxide Chemical compound [OH-].[Rb+].[Rb+] CWBWCLMMHLCMAM-UHFFFAOYSA-M 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- IMNIECVIVJOTBH-UHFFFAOYSA-N trifluoromethanesulfonyl bromide Chemical compound FC(F)(F)S(Br)(=O)=O IMNIECVIVJOTBH-UHFFFAOYSA-N 0.000 description 1
- BSRHWVYDTOKOQO-UHFFFAOYSA-N trifluoromethanesulfonyl iodide Chemical compound FC(F)(F)S(I)(=O)=O BSRHWVYDTOKOQO-UHFFFAOYSA-N 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C313/00—Sulfinic acids; Sulfenic acids; Halides, esters or anhydrides thereof; Amides of sulfinic or sulfenic acids, i.e. compounds having singly-bound oxygen atoms of sulfinic or sulfenic groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
- C07C313/02—Sulfinic acids; Derivatives thereof
- C07C313/04—Sulfinic acids; Esters thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/51—Nanocapsules; Nanoparticles
- A61K9/5192—Processes
Definitions
- the present invention relates to a method for producing perfluoroalkanesulfinate useful as an organic synthetic intermediate.
- Perfluoroalkanesulfinate is a compound useful as an intermediate for, for example, pharmaceutical and agricultural chemical raw materials.
- Patent Document 1 describes potassium trifluoromethanesulfinate as an intermediate of a sulfonyl compound that is useful for diabetes and the like.
- Patent Document 2 discloses that perfluoroalkanesulfinate is useful as a perfluoroalkylating agent.
- Patent Document 3 discloses the production of perfluoroalkanesulfinic acid by reacting perfluoroalkanesulfonyl fluoride with hydrazine to give a corresponding hydradium salt, followed by reaction with acid. A method is disclosed.
- Patent Document 4 discloses a method for producing an alkali metal salt of perfluoroalkanesulfinic acid by contacting perfluoroalkanesulfonyl fluoride with an alkali metal sulfite in the presence of water.
- Non-Patent Document 2 discloses a method of obtaining trifluoromethanesulfinic acid by reacting sodium carbonate or potassium carbonate to obtain a corresponding sulfinate by reacting sulfonic acid chloride with potassium sulfite. ing.
- Non-Patent Document 3 also discloses that a zinc salt of trifluoromethanesulfinic acid is produced by reacting trifluoromethanesulfonyl chloride with zinc powder.
- Non-Patent Document 4 discloses a method of obtaining potassium trifluoromethanesulfinate by reacting benzyl (trifluoromethyl) sulfone, potassium carbonate and ethyl 3-bromopropionate.
- Patent Document 5 discloses that perfluoroalkanesulfinic acid hydrazine salt (RfSO 2 H ⁇ N 2 H 4 ) is obtained by reacting perfluoroalkanesulfonyl halide with hydrazine, which is converted to perfluoroalkanesulphate. A method is disclosed.
- Patent Document 3 and Non-Patent Document 2 can be cited as a preferable method because the sulfinic acid and the metal salt of sulfinic acid can be obtained with a high yield, but the sulfinic acid is purified by distillation. As a result, sulfinic acid may be decomposed along with it, and hydrazine sulfate, which is a hazardous substance, is produced in the post-treatment operation. Therefore, it is somewhat difficult to manufacture safely and easily on an industrial scale. there were.
- Non-Patent Document 3 uses metal zinc powder, there is a risk of explosion in manufacturing on an industrial scale. Furthermore, since a large amount of zinc-based waste is discharged, waste disposal costs are low. Therefore, it is difficult to say that the method can be used industrially.
- Non-Patent Document 4 it is necessary to use an expensive reagent when producing benzyl (trifluoromethyl) sulfone as a raw material, and a three-step reaction is performed in order to obtain a target product from a starting material. Therefore, it was not efficient, so there was some difficulty in manufacturing cost.
- the inventors of the present invention further studied to solve the problem.
- the reaction mixture containing the alkali metal sulfinic acid salt obtained after the reaction is concentrated to a specific concentration, and the inorganic salt that is an impurity in the solution is precipitated and removed, and the inorganic salt is removed after filtration. It has been found that by performing operations such as concentration and drying of the liquid, an alkali metal perfluoroalkanesulfinic acid which is a target product with high purity and good operability can be obtained.
- the present invention is a method for producing an alkali metal perfluoroalkanesulfinic acid described in [Invention 1]-[Invention 5] below.
- [Invention 1] Perfluoroalkanesulfonyl halide represented by the formula [2] (Wherein Rf represents a perfluoroalkyl group having a linear or branched chain having 1 to 4 carbon atoms, X represents a fluorine, chlorine, bromine or iodine atom) and a sulfur-containing reducing agent (wherein sulfur The reducing agent is a sulfurous acid, a hydrogensulfite, a thiosulfuric acid, a dithionic acid, a pyrosulfurous acid, or an alkali metal salt of a sulfide.) In the presence of water, a perfluoroalkane represented by the formula [1] is reacted.
- Sulfinic acid alkali metal salts (In the formula, Rf is the same as in formula [2]. M represents lithium, sodium, potassium, rubidium, or cesium.)
- the weight ratio of the sulfinic acid alkali metal salt to water is 1: 2.5 to 1: 0.1 with respect to the reaction mixture containing the perfluoroalkanesulfinic acid alkali metal salt obtained after the reaction.
- invention 3 The method of invention 1 or invention 2, wherein the sulfur-containing reducing agent is sodium sulfite, potassium sulfite, sodium hydrogen sulfite, potassium hydrogen sulfite, sodium thiosulfate, potassium thiosulfate, or sodium dithionite.
- invention 5 The method according to invention 4, wherein the basic compound is an alkali metal hydroxide or carbonate.
- inorganic salts such as salts derived from sulfur-containing reducing agents and halogen salts are generated simultaneously with the formation of the desired alkali metal salt of perfluoroalkanesulfinic acid.
- the alkali metal sulfinic acid salt that is the target product can be obtained satisfactorily.
- water is removed from the reaction mixture after the reaction, and then the target product is extracted with an organic solvent to separate insoluble inorganic salts (this specification)
- “separation” needs to be an operation for separating solid and liquid, such as “filtration” or “centrifugation”.
- the present inventors performed the separation operation after concentrating the concentration of the reaction mixture after the reaction to a specific range and precipitating the inorganic salt. As a result, salt precipitation was observed from the filtrate after the separation. It was found that the separability was good.
- the filtrate is a uniform aqueous solution, it is easy to confirm the composition by ion chromatography or the like, and when an inorganic salt is confirmed in the filtrate, the solvent is concentrated again to increase the inorganic concentration. Since the salt can be precipitated, it is possible to obtain a highly pure alkali metal perfluoroalkanesulfinic acid salt as required.
- Perfluoroalkanesulfinic acid alkali metal salts useful as intermediates for medical pesticides and functional materials can be produced with high purity and efficiency. Further, the present invention eliminates the need for an organic solvent for extraction, and can greatly reduce waste.
- the present invention provides a process for producing a perfluoroalkanesulfinic acid alkali metal salt represented by the formula [1] by reacting a perfluoroalkanesulfonyl halide represented by the formula [2] with a sulfur-containing reducing agent in the presence of water.
- a perfluoroalkanesulfinic acid alkali metal salt obtained after the reaction so that the weight ratio of the metal salt to water is 1: 2.5 to 1: 0.1.
- the method for producing an alkali metal perfluoroalkanesulfinic acid salt represented by the formula [1] wherein the inorganic salt precipitated after concentration is separated and removed.
- the perfluoroalkanesulfonyl halide used in the present invention is represented by the formula [2], Rf is a perfluoroalkyl group having a linear or branched chain having 1 to 4 carbon atoms, and X is fluorine, chlorine, bromine, iodine Is an atom.
- trifluoromethanesulfonyl fluoride trifluoromethanesulfonyl chloride, trifluoromethanesulfonyl bromide, trifluoromethanesulfonyl iodide
- pentafluoroethanesulfonyl fluoride pentafluoroethanesulfonyl chloride, pentafluoroethanesulfonyl bromide, pentafluoroethanesulfonyl iodide
- Heptafluoropropanesulfonyl fluoride heptafluoropropanesulfonyl chloride, heptafluoropropanesulfonyl bromide, heptafluoropropanesulfonyl iodide, nonafluorobutanesulfonyl fluoride, nonafluorobutanesulfonyl chloride
- the sulfur-containing reducing agent of the present invention indicates sulfurous acid, hydrogen sulfite, thiosulfuric acid, dithionic acid, pyrosulfurous acid, and alkali metal salts of sulfides, specifically, lithium sulfite, sodium sulfite, potassium sulfite, rubidium sulfite, sulfite.
- the amount of the sulfur-containing reducing agent used is preferably 1 to 10 moles, more preferably 1 to 4 moles per mole of perfluoroalkanesulfonyl halide.
- the amount of water in this reaction is usually from 3 to 100 g, more preferably from 3 to 30 g, per 1 g of perfluoroalkanesulfonyl halide used.
- the amount of water is less than 3 g, the slurry concentration of the reaction solution is high, which is not preferable from the viewpoint of operability.
- the reaction temperature conditions are not particularly limited, but may be in the range of ⁇ 10 ° C. to 100 ° C. Usually, ⁇ 10 ° C. to 60 ° C. is preferable, and 0 ° C. to 40 ° C. is more preferable. If the reaction temperature is higher than 100 ° C., the perfluoroalkanesulfonyl halide is hydrolyzed to become an alkali metal salt of perfluoroalkanesulfonic acid, and a temperature lower than ⁇ 10 ° C. is not preferable because the reaction becomes slow.
- the perfluoroalkanesulfonyl halide used in the present invention exists as a liquid or a gas at normal temperature and normal pressure depending on the type.
- the state of the halide at the time of charging there is no particular limitation on the state of gas or liquid.
- a person skilled in the art can appropriately select the form of the halide at the time of preparation.
- the charging method for reacting perfluoroalkanesulfonyl halide with the sulfur-containing reducing agent there is no particular limitation on the charging method for reacting perfluoroalkanesulfonyl halide with the sulfur-containing reducing agent.
- the perfluoroalkanesulfonyl halide is added to the reactor after adding the sulfur-containing reducing agent. Just do it.
- the sulfur-containing reducing agent is first charged in the reaction vessel, and then the fluoride is stirred or circulated. It is one of the particularly preferred embodiments to carry out by adding at a time, or by adding them sequentially or continuously.
- the reactor used when reacting under pressure it can carry out using metal containers, such as stainless steel, Hastelloy, and Monel. Moreover, when performing reaction under a normal pressure, those skilled in the art can select suitably also about a reactor.
- the pressure during the reaction is usually ⁇ 0.1 to 10 MPa, preferably ⁇ 0.1 to 5 MPa, more preferably ⁇ 0.1 to 2 MPa as the gauge pressure of a pressure gauge attached to the reactor. It is good.
- the reactor used in this process is not particularly limited as long as it can withstand the pressure at normal pressure or under pressure.
- Tetrafluoroethylene resin, chlorotrifluoroethylene resin, vinylidene fluoride resin A reactor in which a PFA resin, a polypropylene resin, a polyethylene resin, glass, or the like is lined, or a glass container can be used.
- perfluoroalkanesulfonyl halide When perfluoroalkanesulfonyl halide is present as a gas, it is preferable to keep the reactor at a low temperature or to use a low-temperature condenser so that it is not discharged from the reaction region when introduced into the reaction system.
- a conventional means for increasing the contact efficiency for example, a method using a gas introduction speed adjustment, a stirring device, a gas blowing device, a sparger (porous dispersion tube) or the like is appropriately used. Is valid.
- the reaction time is not particularly limited, but it may usually be within a range of 24 hours.
- the progress of the reaction is traced by an analytical means such as ion chromatography or NMR, and the end point when the raw material substrate has almost disappeared. Is preferable.
- this reaction uses water as a solvent, it is possible to use an organic solvent separately with water, but it is not particularly preferable because the organic waste liquid is discharged and takes time and effort for disposal, and usually the reaction is carried out only with water. Is preferred.
- a salt may be precipitated at the end of the reaction.
- the next operation may be performed after removing the precipitated salt by a normal separation operation.
- the pH value decreases with the progress of the reaction. Concentration can be performed as it is, but it can be said that it is preferable to perform a concentration operation after adding a basic compound to the reaction mixture and adjusting the pH value.
- a method of adding a basic compound 1) Add after completion of the reaction 2) Add sequentially according to the progress of the reaction Either 1) or 2) may be selected. In the case of 1), an appropriate amount of a basic compound may be added according to the pH value after completion of the reaction to adjust the pH value to 7-9.
- the basic compound is added while confirming the pH value during the reaction, and the pH value after completion of the reaction may be adjusted to 7-9.
- the amount of the sulfur-containing reducing agent necessary for the reaction can be reduced, which is a particularly preferable method (see Example 2 and Table 5: In Example 2, the alkali metal sulfinate obtained above) It can be seen that the sulfur-containing reducing agent used was reduced by half compared to Example 1. However, since the reduction ratio is not limited to this and varies depending on the reagent used, it is preferable to examine the conditions as needed. ).
- the basic compound of the present invention is an alkali metal hydroxide, oxide, carbonate or bicarbonate, specifically, lithium hydroxide, sodium hydroxide, potassium hydroxide, rubidium hydroxide, cesium hydroxide.
- Lithium oxide, sodium oxide, potassium oxide, rubidium oxide, cesium oxide (these alkali metal oxides are hydroxides in the presence of water), lithium carbonate, sodium carbonate, potassium carbonate, rubidium carbonate, cesium carbonate, hydrogen carbonate
- Examples thereof include lithium, sodium hydrogen carbonate, potassium hydrogen carbonate, rubidium hydrogen carbonate, cesium hydrogen carbonate, and the like, but the same metal as the sulfur-containing reducing agent to be used is used.
- potassium hydroxide, potassium oxide, potassium carbonate and the like are preferable, potassium hydroxide, Potassium carbonate is particularly preferred.
- a salt may precipitate depending on the reagent.
- the following operation may be performed after removing the salt precipitated by a normal separation operation.
- the reaction solution may be concentrated by a normal distillation operation such as vacuum distillation.
- the weight of the alkali metal perfluoroalkanesulfinic acid salt in the solution is 1, it may be concentrated until the weight of water becomes 0.1 to 2.5, preferably 0.1 to 1.5, The concentration is preferably 0.1 to 1.0.
- the ratio of water is higher than 2.5, the precipitation of inorganic salts, particularly halides, in the reaction solution is insufficient. Fluoroalkanesulfinic acid alkali metal salts are also precipitated and the yield is decreased, which is not preferable (see Comparative Example 2). Concentration of water may be carried out in several steps up to the target weight ratio, and it is preferable from the viewpoint of operability to separate and remove the precipitated inorganic salt each time.
- the precipitated inorganic salt may be subjected to a normal separation operation, and the operation temperature at that time is usually about ⁇ 10 to 100 ° C., preferably ⁇ 10 to 70 ° C., particularly preferably 0 to 50 ° C.
- the target perfluoroalkanesulfinic acid alkali metal salt may be contained in the separated and removed salt.
- the alkali metal sulfinic acid salt which is the target product can be extracted by adding water to the inorganic salt and stirring for about 1 hour.
- the filtrate obtained by extraction to the pre-concentration mixed solution or the pre-concentration mixed solution in another batch reaction, it is possible to recover the alkali metal sulfinic acid salt, which is the target product, and the productivity is improved. This is one of the preferred embodiments since waste and waste can be reduced (see Scheme 2).
- the composition of the filtrate obtained by the separation can be confirmed by measuring by ion chromatography or the like. If unnecessary inorganic salt remains, the concentration of the inorganic salt can be reduced by concentrating in the same range as above. Can be removed.
- the filtrate from which the inorganic salt has been sufficiently removed can obtain the perfluoroalkanesulfinic acid alkali metal salt, which is the target product, with high purity by removing and drying water by ordinary operations such as vacuum distillation. Alternatively, water may be removed by adding an organic solvent such as toluene to the filtrate and performing azeotropic dehydration.
- the conditions for removing water and drying are not particularly limited, but the operation temperature is usually in the range of 20 to 120 ° C, preferably 20 to 100 ° C, particularly preferably 40 to 80 ° C.
- perfluoroalkanesulfinic acid alkali metal salts can be extracted by adding an organic solvent such as acetone, acetonitrile, ethyl acetate, methanol, or ethanol to the solid after drying. Therefore, it is not particularly preferable.
- reaction solution was filtered at 0 ° C. to remove undissolved inorganic salts.
- pH of the reaction solution was confirmed, and 47 g of 48% KOH aqueous solution was added to adjust the pH to about 9.
- an inorganic salt such as potassium sulfate was precipitated and removed by filtration at 0 ° C.
- Water was distilled off from the obtained filtrate under reduced pressure to remove 194 g of water.
- This solution was cooled to 0 ° C. to precipitate a solid, and the solid was removed by filtration.
- Water was distilled off from the obtained filtrate under reduced pressure, and 40 g of water was removed. This solution was cooled to 0 ° C.
- the obtained filtrate (56 g) contained 40 g of potassium trifluoromethanesulfinate and 15 g of water, and the ratio was 1: 0.37.
- the obtained filtrate was concentrated and dried under reduced pressure to obtain 41.8 g (yield: 77%) of potassium trifluoromethanesulfinate having a purity of 96.7% (analysis result of ion chromatography). 1).
- the waste generated at this time had a solid content (inorganic salt and organic acid salt) of 201 g, waste water of 249.1 g, and no organic waste liquid.
- the reaction solution was cooled to 0 ° C. and filtered to remove undissolved inorganic salts.
- the pH of the reaction solution was confirmed, and 42 g of a 48% KOH aqueous solution was added to adjust the pH to about 9.
- Water was removed from the resulting solution under reduced pressure.
- 140 g of methanol was added to the obtained solid to extract potassium trifluoromethanesulfinate, and inorganic salts unnecessary for the solvent were removed by filtration.
- the waste generated at this time was 186 g of solid matter, 260.3 g of waste water, and 135 g of organic waste liquid.
- reaction solution was cooled to 3 ° C and filtered to remove undissolved inorganic salts.
- pH of the reaction solution was confirmed, and 100 kg of 40% KOH aqueous solution was added to adjust the pH to about 9.
- 500 kg of water was removed from the obtained solution under reduced pressure conditions.
- 500 kg of toluene was added and the solution was again distilled off under reduced pressure to remove 35 kg of water.
- concentration the solid precipitated in the solution was collected with a centrifuge. 198 kg of methanol was added to the obtained solid to extract potassium trifluoromethanesulfinate, and inorganic salts insoluble in the solvent were removed by filtration.
- the reaction solution was continuously stirred. After 15 hours, the reaction solution was filtered at 0 ° C. to remove undissolved inorganic salts. Next, the pH of the reaction solution was confirmed, and 73.7 g of a 30% aqueous NaOH solution was added so that the pH was about 9. At this time, an inorganic salt precipitated, and this was cooled to 0 ° C. and removed by filtration. The obtained filtrate was distilled off under reduced pressure to remove 165 g of water. This solution was cooled to 0 ° C. to precipitate a solid, and the solid was removed by filtration. The obtained filtrate was distilled off under reduced pressure to remove 30 g of water.
- reaction solution was filtered to remove undissolved inorganic salts.
- pH of the reaction solution was confirmed, and 73.7 g of 30% NaOH aqueous solution was added to adjust the pH to about 9.
- Water was distilled off under reduced pressure from the obtained filtrate, and 179 g of water was removed. This solution was cooled to 0 ° C. to precipitate a solid, and the solid was removed by filtration. Water was distilled off from the obtained filtrate under reduced pressure, and 40 g of water was removed. This solution was cooled to 0 ° C. to precipitate a solid, and the solid was removed by filtration.
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Abstract
Description
式[2]で表されるパーフルオロアルカンスルホニルハライド
を製造する方法において、反応後に得られたパーフルオロアルカンスルフィン酸アルカリ金属塩を含む反応混合液に対し該スルフィン酸アルカリ金属塩と水との重量比が1:2.5 ~ 1:0.1となるように濃縮し、濃縮後に析出した無機塩を分離除去することを特徴とする、式[1]で表されるパーフルオロアルカンスルフィン酸アルカリ金属塩の製造方法。
式[2]で表されるパーフルオロアルカンスルホニルハライドがパーフルオロアルカンスルホニルクロリドまたはパーフルオロアルカンスルホニルフルオリドである、発明1に記載の方法。
硫黄含有還元剤が亜硫酸ナトリウム、亜硫酸カリウム、亜硫酸水素ナトリウム、亜硫酸水素カリウム、チオ硫酸ナトリウム、チオ硫酸カリウム、又は亜ジチオン酸ナトリウムである、発明1又は発明2に記載の方法。
式[2]であらわされるパーフルオロアルカンスルホニルハライドと硫黄含有還元剤を反応させる際、反応後に得られたパーフルオロアルカンスルフィン酸アルカリ金属塩を含む反応混合液に塩基性化合物(ここで塩基性化合物とはアルカリ金属の水酸化物、酸化物、炭酸塩又は炭酸水素塩を示し、式[1]で表されるパーフルオロアルカンスルフィン酸アルカリ金属塩と同様の金属を有する塩基性化合物を用いる)を添加し、添加後の反応混合液のpH値を7~9に調整した後に濃縮することを特徴とする発明1乃至発明3の何れかに記載の方法。
塩基性化合物がアルカリ金属の水酸化物、または炭酸塩である、発明4に記載の方法。
分離除去した無機塩に水を添加して無機塩に含まれるパーフルオロアルカンスルフィン酸アルカリ金属塩を抽出し、得られた該スルフィン酸アルカリ金属塩を含むろ液を再び濃縮前の溶液に加えることを特徴とする発明1乃至発明5に記載の方法。
1)反応終了後に添加する
2)反応の進行に合わせて逐次添加する
1)、2)のどちらの方法を選択しても良い。1)の場合は反応終了後のpH値に応じて塩基性化合物を適量加えてpH値を7~9に調整すればよい。2)の場合は反応中のpH値を確認しながら塩基性化合物を加えていき、反応終了後のpH値が7~9になるように調整すればよい。2)の方法の場合、反応に必要な硫黄含有還元剤の量が低減できることから特に好ましい方法である(実施例2及び表5参照:実施例2では得られた該スルフィン酸アルカリ金属塩に対して使用した硫黄含有還元剤が実施例1に比べて半分に低減していることがわかる。しかしながら、低減の割合はこれに限らず使用する試薬によって変化するため、随時条件検討を行うことが好ましい)。
以下、実施例により本発明を詳細に説明するが、本発明はこれらの実施態様に限られない。ここで、組成分析値の「%」とは、反応液を直接イオンクロマトグラフィーで測定して得られた組成の「wt%」を表す。
500mlの4つ口フラスコに水250gと亜硫酸カリウム150g(0.945mol)を入れ、溶液を冷却し、5℃以下になったらトリフルオロメタンスルホニルクロリド53.0g(0.315mol)を、滴下ロートを用いて内温5~10℃を保ちながらゆっくり加えた。トリフルオロメタンスルホニルクロリドの滴下が終了したらそのまま反応液を攪拌し続けた。12時間後、反応液を0℃下でろ過し、溶解していない無機塩を取り除いた。次に反応液のpHを確認し、48%KOH水溶液を47g加えてpHを約9にした。このとき硫酸カリウムなどの無機塩が析出するのでこれを0℃下でろ過して取り除いた。得られたろ液から水を減圧下で留去し、水を194g取り除いた。この溶液は0℃まで冷却して固体を析出させ、固体をろ過して取り除いた。得られたろ液から水を減圧下で留去し、水を40g取り除いた。この溶液は0℃まで冷却して固体を析出させ、固体をろ過して取り除いた。得られたろ液56g中にトリフルオロメタンスルフィン酸カリウムは40g、水は15g含まれており、その比率は1:0.37であった。得られたろ液を減圧下で濃縮、乾燥することで純度96.7%(イオンクロマトグラフィーの分析結果)のトリフルオロメタンスルフィン酸カリウムを41.8g(収率:77%)得た(組成を表1に示す)。このとき発生した廃棄物は固形分(無機塩及び有機酸塩)が201gで、廃水が249.1g、有機廃液はなかった。
発生した固形廃棄物201gをイオンクロマトグラフィーで分析した結果、この無機塩中にトリフルオロメタンスルフィン酸カリウムは4.1g含まれていた。これに水を200g加えて1時間攪拌した後にろ過すると得られたろ液にはトリフルオロメタンスルフィン酸カリウムが3.5g含まれていた。よって無機塩中から86%トリフルオロメタンスルフィン酸カリウムを回収できた。
300mlの4つ口フラスコに水100gと亜硫酸カリウム71.2g(0.450mol)を入れ、溶液を冷却し、5℃以下になったらトリフルオロメタンスルホニルクロリド50.6g(0.300mol)を、滴下ロートを用いて内温5~10℃を保ちながらゆっくり加えた。このとき、反応溶液のpHを適時確認し、pHが酸性なら48%KOH水溶液を加えてpH値を7程度にした(48% KOH水溶液添加総量:62.9g)。トリフルオロメタンスルホニルクロリドの滴下が終了したらそのまま反応液を攪拌し続けた。12時間後、反応液を0℃まで冷却すると硫酸カリウムなどの無機塩が析出しているのでこれをろ過して取り除いた。得られたろ液から水を減圧下で留去し、水を98.6g取り除いた。この溶液は0℃まで冷却して固体を析出させ、固体をろ過して取り除いた。得られたろ液から再度水を減圧下で留去し、水を12.8g取り除いた。この溶液は0℃まで冷却して固体を析出させ、固体をろ過して取り除いた。得られたろ液57g中にトリフルオロメタンスルフィン酸カリウムは39g、水は16.4g含まれており、その比率は1:0.42であった。ろ液は減圧下で濃縮、乾燥することで純度96.1%(イオンクロマトグラフィーの分析結果)のトリフルオロメタンスルフィン酸カリウムを40.6g(収率:78.6%)得た(組成を表2に示す)。このとき発生した廃棄物は固形分が102gで、廃水が122g、有機廃液はなかった。
発生した固形廃棄物102gをイオンクロマトグラフィーで分析した結果、この無機塩中にトリフルオロメタンスルフィン酸カリウムは3.0g含まれていた。これに水を100g加えて1時間攪拌した後にろ過すると得られたろ液にはトリフルオロメタンスルフィン酸カリウムが2.7g含まれていた。よって無機塩中から90%トリフルオロメタンスルフィン酸カリウムを回収できた。
[トリフルオロメタンスルホニルクロリドと亜硫酸カリウムを用いた反応(反応液から水を除去し、メタノールで抽出後、分離・乾燥)]
500mlの4つ口フラスコに水250gと亜硫酸カリウム150g(0.945mol)を入れ、溶液を冷却し、5℃以下になったらトリフルオロメタンスルホニルクロリド53.0g(0.315mol)を、滴下ロートを用いて内温5~10℃を保ちながらゆっくり加えた。トリフルオロメタンスルホニルクロリドの滴下が終了したらそのまま反応液を攪拌し続けた。12時間後、反応液を0℃まで冷却してろ過し、溶解していない無機塩を取り除いた。次に反応液のpHを確認し、48%KOH水溶液を42g加えてpHを約9にした。得られた溶液から水を減圧下で取り除いた。得られた個体にメタノールを140g加えてトリフルオロメタンスルフィン酸カリウムを抽出し、溶媒に不要な無機塩をろ過して取り除いた。得られたろ液からは無機塩が析出してきたが分離が困難であったのでそのままろ液を減圧下で濃縮、乾燥することで純度95.6%(イオンクロマトグラフィーの分析結果)のトリフルオロメタンスルフィン酸カリウムを40.5g(収率:75%)得た(組成を表3に示す)。このとき発生した廃棄物は固形物が186gで、廃水が260.3g、有機廃液が135gであった。
[トリフルオロメタンスルホニルクロリドと亜硫酸カリウムを用いた大量でのスケール反応(反応液から水を除去し、メタノールで抽出後、分離・乾燥)]
1000LのSUS製反応器に水450kgと亜硫酸カリウム288kg(1.82kmol)を入れ、溶液を冷却し、内温が5℃以下になったら内温5~10℃を維持するようにトリフルオロメタンスルホニルクロリド100kg(0.593kmol)をゆっくり加えた。トリフルオロメタンスルホニルクロリドの滴下が終了したらそのまま反応液を攪拌し続けた。12時間後、反応液を3℃まで冷却してろ過し、溶解していない無機塩を取り除いた。次に反応液のpHを確認し、40%KOH水溶液を100 kg加えてpHを約9にした。得られた溶液から減圧条件で水を500kg取り除いた。次にトルエンを500kg加えて再び減圧下で溶液を留去し、水を35kg取り除いた。濃縮後、溶液中に析出した固体を遠心分離機で採取した。得られた個体にメタノールを198kg加えてトリフルオロメタンスルフィン酸カリウムを抽出し、溶媒に不溶な無機塩をろ過して取り除いた。しかし無機塩中にトリフルオロメタンスルフィン酸カリウムがまだ存在していたので132kgのメタノールでさらに2回抽出操作を行った。しかし得られた溶液は静置しておくと無機塩が析出し、この無機塩はろ過操作での分離が困難であったのでメタノール溶液の上澄み液だけを採取し、固体を取り除いた。得られた上澄み液を濃縮し、最後にトルエン106kgを加えて共沸脱水乾燥させることで純度95%(イオンクロマトグラフィーの分析結果)のトリフルオロメタンスルフィン酸カリウムを62.3kg(収率64%)得た(組成を表4に示す)。このとき発生した廃棄物は固形物が369kgで、廃水が535kg、抽出に要した有機廃液が485kg、廃有機液の合計が1012kgであった。
500mLのオートクレーブ反応器に水250gと亜硫酸カリウム150 g(0.945mol)を入れ、溶液を冷却し、5℃以下になったら反応器内を脱気した。脱気後、ガス化させたトリフルオロメタンスルホニルフルオリド48.0 g(0.316 mol)を内温5~10℃を保ちながらゆっくり導入した。トリフルオロメタンスルホニルフルオリドの導入が終了したらそのまま攪拌を13時間続けた。13時間後、反応器内を窒素で置換し反応液を取り出した。反応液を0℃まで冷却して硫酸カリウムなどの析出した無機塩をろ過して取り除いた。反応液のpHを確認し、pHが9程度になるように48%KOH水溶液を52g加えた。そのとき無機塩が析出するのでこれを0℃下でろ過して取り除いた。得られたろ液から水を減圧下で留去し、水を177g取り除いた。この溶液は0℃まで冷却して固体を析出させ、固体をろ過して取り除いた。得られたろ液から水を減圧下で留去し、水を36g取り除いた。この溶液は0℃まで冷却して固体を析出させ、固体をろ過して取り除いた。得られたろ液59g中にトリフルオロメタンスルフィン酸カリウムは41.5g、水は16.6g含まれており、その比率は1:0.39であった。得られたろ液を減圧下で濃縮、乾燥することで純度96.9%(イオンクロマトグラフィーの分析結果)のトリフルオロメタンスルフィン酸カリウムを42.8g(収率:79%)得た(組成を表6に示す)。このとき発生した廃棄物は固形分が201.4gで、廃水が229.4g、有機廃液はなかった。
500mlの4つ口フラスコに水250gとチオ硫酸ナトリウム149.4g(0.945 mol)を入れ、溶液を冷却し、5℃以下になったらトリフルオロメタンスルホニルクロリド53g(0.315 mol)を、滴下ロートを用いて内温5~10℃を保ちながらゆっくり加えた。トリフルオロメタンスルホニルクロリドの滴下が終了したらそのまま反応液を攪拌し続けた。15時間後、0℃下で反応液をろ過し、溶解していない無機塩を取り除いた。次に反応液のpHを確認し、pHが約9になるように30%NaOH水溶液を73.7g加えた。このとき無機塩が析出するのでこれを0℃まで冷却してろ過して取り除いた。得られたろ液を減圧下で留去し水を165g取り除いた。この溶液は0℃まで冷却して固体を析出させ、固体をろ過して取り除いた。得られたろ液を減圧下で留去し水を30g取り除いた。この溶液は0℃まで冷却して固体を析出させ、固体をろ過して取り除いた。得られたろ液54g中にトリフルオロメタンスルフィン酸ナトリウムは36.8g、水は16g含まれており、その比率は1:0.43であった。得られたろ液を減圧下で濃縮、乾燥することで純度96.5%(イオンクロマトグラフィーの分析結果)のトリフルオロメタンスルフィン酸ナトリウムを38.3 g(収率:78%)得た(組成を表7に示す)。このとき発生した廃棄物は固形分が158gで、廃水が211g、有機廃液はなかった。
500mlの4つ口フラスコに水250gと亜硫酸ナトリウム119 g (0.945mol)を入れ、溶液を冷却し、5℃以下になったらトリフルオロメタンスルホニルクロリド53.0g(0.315mol)を、滴下ロートを用いて内温5~10℃を保ちながらゆっくり加えた。トリフルオロメタンスルホニルクロリドの滴下が終了したらそのまま反応液を攪拌し続けた。12時間後、反応液をろ過し、溶解していない無機塩を取り除いた。次に反応液のpHを確認し、30%NaOH水溶液を73.7g加えてpHを約9にした。無機塩が析出するのでこれをろ過して取り除いた。得られたろ液から水を減圧下で留去し、水を179g取り除いた。この溶液は0℃まで冷却して固体を析出させ、固体をろ過して取り除いた。得られたろ液から水を減圧下で留去し、水を40g取り除いた。この溶液は0℃まで冷却して固体を析出させ、固体をろ過して取り除いた。得られたろ液37g中にトリフルオロメタンスルフィン酸ナトリウムは32g、水は5.2g含まれており、その比率は1:0.2であった。得られたろ液を減圧下で濃縮、乾燥することで純度99.1%(イオンクロマトグラフィーの分析結果)のトリフルオロメタンスルフィン酸ナトリウムを32.3g(収率:65.1%)得た(組成を表8に示す)。
水250g、亜硫酸ナトリウム150g、トリフルオロメタンスルホニルクロリド53gを実施例1と同様の操作で反応、pH調整し、該スルフィン酸アルカリ金属塩と水との重量比が1:0.9になるまで濃縮した。実施例1と同様にろ過、乾燥を行ったところ、純度89.5%のトリフルオロメタンスルフィン酸ナトリウムを39.3g(収率71.5%)得た(組成を表8に示す)。
水250g、亜硫酸ナトリウム150g、トリフルオロメタンスルホニルクロリド53gを実施例1と同様の操作で反応、pH調整し、該スルフィン酸アルカリ金属塩と水との重量比が1:1.2になるまで濃縮した。実施例1と同様にろ過、乾燥を行ったところ、純度84.6%のトリフルオロメタンスルフィン酸ナトリウムを44.6g(収率76.8%)得た(組成を表8に示す)。
[トリフルオロメタンスルホニルクロリドと亜硫酸ナトリウムを用いた反応(該スルフィン酸アルカリ金属塩:水=1:3.0の重量比まで濃縮)]
水250g、亜硫酸ナトリウム150g、トリフルオロメタンスルホニルクロリド53gを実施例1と同様の操作で反応、pH調整し、該スルフィン酸アルカリ金属塩と水との重量比が1:3.0になるまで濃縮した。実施例1と同様にろ過、乾燥を行ったところ、純度60.6%のトリフルオロメタンスルフィン酸ナトリウムを67.8g(収率83.6%)得た(組成を表8に示す)。
Claims (6)
- 式[2]で表されるパーフルオロアルカンスルホニルハライド
- 式[2]で表されるパーフルオロアルカンスルホニルハライドがパーフルオロアルカンスルホニルクロリドまたはパーフルオロアルカンスルホニルフルオリドである、請求項1に記載の方法。
- 硫黄含有還元剤が亜硫酸ナトリウム、亜硫酸カリウム、亜硫酸水素ナトリウム、亜硫酸水素カリウム、チオ硫酸ナトリウム、チオ硫酸カリウム、亜ジチオン酸ナトリウムである、請求項1又は請求項2に記載の方法。
- 式[2]であらわされるパーフルオロアルカンスルホニルハライドと硫黄含有還元剤を反応させる際、反応後に得られたパーフルオロアルカンスルフィン酸アルカリ金属塩を含む反応混合液に塩基性化合物(ここで塩基性化合物とはアルカリ金属の水酸化物、酸化物、炭酸塩又は炭酸水素塩を示し、式[1]で表されるパーフルオロアルカンスルフィン酸アルカリ金属塩と同様の金属を有する塩基性化合物を用いる)を添加し、添加後の反応混合液のpH値を7~9に調整した後に濃縮することを特徴とする請求項1乃至請求項3の何れかに記載の方法。
- 塩基性化合物がアルカリ金属の水酸化物、または炭酸塩である、請求項4に記載の方法。
- 分離除去した無機塩に水を添加して無機塩に含まれるパーフルオロアルカンスルフィン酸アルカリ金属塩を抽出し、得られた該スルフィン酸アルカリ金属塩を含むろ液を再び濃縮前の溶液に加えることを特徴とする請求項1乃至請求項5の何れかに記載の方法。
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US13/583,415 A-371-Of-International US9057336B2 (en) | 2010-03-19 | 2010-03-19 | Control apparatus for internal combustion engine and control apparatus for vehicle equipped with internal combustion engine |
US14/703,255 Continuation US9181879B2 (en) | 2010-03-19 | 2015-05-04 | Control apparatus for internal combustion engine and control apparatus for vehicle equipped with internal combustion engine |
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JP (1) | JP5655633B2 (ja) |
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JPWO2014034124A1 (ja) * | 2012-08-30 | 2016-08-08 | 片山化学工業株式会社 | 簡易製造法 |
KR20170021232A (ko) * | 2014-06-23 | 2017-02-27 | 닛산 가가쿠 고교 가부시키 가이샤 | 설포닐 결합을 가지는 실란 화합물의 제조방법 |
EP3297665A1 (en) | 2015-05-16 | 2018-03-28 | Batavia Biosciences Inc. | Thermostable vaccines based on ether lipids and native viral envelope proteins |
CN105693464B (zh) * | 2016-02-25 | 2019-11-15 | 上海杰视医疗科技有限公司 | 一种含氟烷烃化合物的制备方法 |
CN112457227A (zh) * | 2020-12-03 | 2021-03-09 | 江苏优普生物化学科技股份有限公司 | 一种高品质三氟甲基亚磺酸钠合成工艺 |
DE102023202722A1 (de) * | 2023-03-27 | 2024-10-02 | Robert Bosch Gesellschaft Für Medizinische Forschung Mbh | Mikrofluidische Vorrichtung zur Kultivierung eines Gewebeschnitts |
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JP2001316353A (ja) * | 2000-02-22 | 2001-11-13 | Central Glass Co Ltd | ペルフルオロアルカンスルフィン酸塩の製造方法 |
JP2005247782A (ja) * | 2004-03-05 | 2005-09-15 | Tosoh F-Tech Inc | 含フッ素アルキルスルフィン酸塩の精製方法 |
WO2010013687A1 (ja) * | 2008-07-30 | 2010-02-04 | セントラル硝子株式会社 | パーフルオロアルカンスルフィン酸塩の製造方法 |
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DE2148597A1 (de) | 1971-09-29 | 1973-04-05 | Bayer Ag | Perfluoralkylsulfinsaeuren und verfahren zu ihrer herstellung |
FR2662439B1 (fr) | 1990-05-23 | 1993-11-19 | Rhone Poulenc Chimie | Reactif et procede de perfluoroalkylation de substrats nucleophiles par les perfluoroalcanesulfinates de sodium en milieu oxydant. |
US6462228B1 (en) * | 1997-12-22 | 2002-10-08 | 3M Innovative Properties Company | Process for preparation of fluorinated sulfinates |
CN1203910A (zh) * | 1998-06-02 | 1999-01-06 | 中国科学院上海有机化学研究所 | 2,2,2-三氟乙基亚磺酸盐及其衍生物的制备方法 |
CN1120833C (zh) * | 1998-11-20 | 2003-09-10 | 中国科学院上海有机化学研究所 | 从含氟烷基氯代烷制备含氟烷基亚磺酸盐的方法 |
FR2823204B1 (fr) * | 2001-04-09 | 2004-12-10 | Centre Nat Rech Scient | Preparation de sels d'acide perfluoroalcane sulfinique |
JO2397B1 (en) | 2002-12-20 | 2007-06-17 | ميرك شارب اند دوم كوربوريشن | Terazol derivatives as beta-hydroxy steroid dihydrogenase-1 inhibitors |
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JP2001316353A (ja) * | 2000-02-22 | 2001-11-13 | Central Glass Co Ltd | ペルフルオロアルカンスルフィン酸塩の製造方法 |
JP2005247782A (ja) * | 2004-03-05 | 2005-09-15 | Tosoh F-Tech Inc | 含フッ素アルキルスルフィン酸塩の精製方法 |
WO2010013687A1 (ja) * | 2008-07-30 | 2010-02-04 | セントラル硝子株式会社 | パーフルオロアルカンスルフィン酸塩の製造方法 |
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CN102791682A (zh) | 2012-11-21 |
JP2011201868A (ja) | 2011-10-13 |
EP2543663B1 (en) | 2017-10-11 |
EP2543663A4 (en) | 2015-10-14 |
JP5655633B2 (ja) | 2015-01-21 |
US9073828B2 (en) | 2015-07-07 |
US20130023695A1 (en) | 2013-01-24 |
CN102791682B (zh) | 2013-12-11 |
EP2543663A1 (en) | 2013-01-09 |
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