KR101733084B1 - 실로도신의 결정형의 제조방법 - Google Patents
실로도신의 결정형의 제조방법 Download PDFInfo
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- KR101733084B1 KR101733084B1 KR1020160095328A KR20160095328A KR101733084B1 KR 101733084 B1 KR101733084 B1 KR 101733084B1 KR 1020160095328 A KR1020160095328 A KR 1020160095328A KR 20160095328 A KR20160095328 A KR 20160095328A KR 101733084 B1 KR101733084 B1 KR 101733084B1
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- 238000004519 manufacturing process Methods 0.000 title abstract description 21
- PNCPYILNMDWPEY-QGZVFWFLSA-N silodosin Chemical compound N([C@@H](CC=1C=C(C=2N(CCCO)CCC=2C=1)C(N)=O)C)CCOC1=CC=CC=C1OCC(F)(F)F PNCPYILNMDWPEY-QGZVFWFLSA-N 0.000 title abstract description 4
- 229960004953 silodosin Drugs 0.000 title abstract description 4
- 239000002904 solvent Substances 0.000 claims abstract description 18
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 63
- 150000001875 compounds Chemical class 0.000 claims description 54
- 239000013078 crystal Substances 0.000 claims description 33
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 32
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 claims description 27
- 239000000706 filtrate Substances 0.000 claims description 24
- 150000003839 salts Chemical class 0.000 claims description 22
- 239000002253 acid Substances 0.000 claims description 21
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 17
- 239000011541 reaction mixture Substances 0.000 claims description 17
- 239000012046 mixed solvent Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 13
- 239000012044 organic layer Substances 0.000 claims description 12
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 6
- 239000012296 anti-solvent Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000003301 hydrolyzing effect Effects 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 5
- 239000002198 insoluble material Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010899 nucleation Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 abstract description 6
- 230000008025 crystallization Effects 0.000 abstract description 6
- 206010046543 Urinary incontinence Diseases 0.000 abstract 1
- 239000003814 drug Substances 0.000 abstract 1
- 210000002307 prostate Anatomy 0.000 abstract 1
- 229940124597 therapeutic agent Drugs 0.000 abstract 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 24
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 13
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 239000002585 base Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 10
- QOXOZONBQWIKDA-UHFFFAOYSA-N 3-hydroxypropyl Chemical group [CH2]CCO QOXOZONBQWIKDA-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- 239000011734 sodium Substances 0.000 description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000004128 high performance liquid chromatography Methods 0.000 description 7
- 230000007062 hydrolysis Effects 0.000 description 7
- 238000006460 hydrolysis reaction Methods 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 6
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 6
- 239000012458 free base Substances 0.000 description 6
- 239000007800 oxidant agent Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000000539 dimer Substances 0.000 description 5
- -1 2- [2- (2,2,2- trifluoroethoxy) phenoxy] ethylaminopropyl- Chemical group 0.000 description 4
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 4
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 235000006408 oxalic acid Nutrition 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000001530 fumaric acid Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 2
- 125000004793 2,2,2-trifluoroethoxy group Chemical group FC(CO*)(F)F 0.000 description 1
- XHYAUODXPODGRZ-UHFFFAOYSA-N 2-[2-(2,2,2-trifluoroethoxy)phenoxy]-2,3-dihydro-1H-indole-7-carboxamide Chemical compound FC(COC1=C(OC2NC3=C(C=CC=C3C2)C(=O)N)C=CC=C1)(F)F XHYAUODXPODGRZ-UHFFFAOYSA-N 0.000 description 1
- HOJMCBMXHWZNKX-UHFFFAOYSA-N 2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethyl methanesulfonate Chemical compound CS(=O)(=O)OCCOC1=CC=CC=C1OCC(F)(F)F HOJMCBMXHWZNKX-UHFFFAOYSA-N 0.000 description 1
- JRLTTZUODKEYDH-UHFFFAOYSA-N 8-methylquinoline Chemical group C1=CN=C2C(C)=CC=CC2=C1 JRLTTZUODKEYDH-UHFFFAOYSA-N 0.000 description 1
- 240000002900 Arthrospira platensis Species 0.000 description 1
- 235000016425 Arthrospira platensis Nutrition 0.000 description 1
- BXGBTMPIUWCPMP-UHFFFAOYSA-N C(C(=O)O)(=O)O.N1CCC2=CC=CC(=C12)C#N Chemical compound C(C(=O)O)(=O)O.N1CCC2=CC=CC(=C12)C#N BXGBTMPIUWCPMP-UHFFFAOYSA-N 0.000 description 1
- HUKYYZXALLLJJL-HSZRJFAPSA-N C[C@H](Cc(cc1C#N)cc2c1N(CCCOC(c1ccccc1)=O)CC2)NCCOc1ccccc1OCC(F)(F)F Chemical compound C[C@H](Cc(cc1C#N)cc2c1N(CCCOC(c1ccccc1)=O)CC2)NCCOc1ccccc1OCC(F)(F)F HUKYYZXALLLJJL-HSZRJFAPSA-N 0.000 description 1
- 241000219312 Chenopodium Species 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 102000012004 Ghrelin Human genes 0.000 description 1
- 101800001586 Ghrelin Proteins 0.000 description 1
- 108091005886 Hemoglobin subunit gamma Proteins 0.000 description 1
- 102100038617 Hemoglobin subunit gamma-2 Human genes 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 description 1
- 244000184734 Pyrus japonica Species 0.000 description 1
- 241000207929 Scutellaria Species 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- GNKDKYIHGQKHHM-RJKLHVOGSA-N ghrelin Chemical compound C([C@H](NC(=O)[C@@H](NC(=O)[C@H](CO)NC(=O)CN)COC(=O)CCCCCCC)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CO)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1N=CNC=1)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N1[C@@H](CCC1)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(O)=O)C1=CC=CC=C1 GNKDKYIHGQKHHM-RJKLHVOGSA-N 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 150000003891 oxalate salts Chemical class 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000016160 smooth muscle contraction Effects 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 229940082787 spirulina Drugs 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 150000003892 tartrate salts Chemical class 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/08—Indoles; Hydrogenated indoles with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to carbon atoms of the hetero ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/10—Indoles; Hydrogenated indoles with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
- C07D209/14—Radicals substituted by nitrogen atoms, not forming part of a nitro radical
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
도 2는 본 발명에 따라 얻어진 실로도신의 결정형 γ의 XRD 디프랙토그램이다. 상기 결정형 γ는 6.26, 7.95, 10.89, 11.25, 12.82, 13.9, 15.4, 17.3, 18.17, 19.17, 19.9, 20.9, 21.6, 22.3, 23.2, 23.9, 및 24.6의 2θ 값에서 피크를 갖는다.
용매 | 수율 | HPLC 순도 | |
실시예 8 | 메틸 tert-부틸 에테르(80 ml)/ 2-메틸-1-프로판올(120 ml) | 82% | 99.95% |
실시예 9 | 메틸 tert-부틸 에테르(80 ml)/n-부탄올(120 ml) | 78% | 99.92% |
실시예 10 | 메틸 tert-부틸 에테르(80 ml)/tert-부탄올(120 ml) | 78% | 99.92% |
실시예 11 | 메틸 tert-부틸 에테르(80 ml)/2-부탄올(120 ml) | 78% | 99.92% |
실시예 12 | 2-메틸-1-프로판올(200 ml) | 75% | 99.95% |
Claims (4)
- (a) 하기 화학식 5의 화합물의 산부가염을 가수분해하여 실로도신을 형성시키는 단계,
<화학식 5>
(b) 단계(a)의 반응 혼합물에 메틸렌 클로라이드를 첨가한 후 여과하여 여액을 얻거나; 혹은 단계(a)의 반응 혼합물에 메틸렌 클로라이드를 첨가한 후 여과하여 여액을 얻고, 여과로부터 제거되는 불용물을 메틸렌 클로라이드로 세척하여 얻어진 세척액을 상기 여액과 혼합하여 여액과 세척액의 혼합액을 얻는 단계,
(c) 단계(b)에서 얻어진 여액 또는 혼합액에 Na2SO3 수용액을 첨가한 후, 유기층을 분리하는 단계,
(d) 단계(c)에서 얻어진 유기층에 반용매를 첨가한 후, 용매를 제거하여 결정을 얻는 단계,
(e) 단계(d)에서 얻어진 실로도신의 결정형 β를 2-메틸-1-프로판올 중에서 가열하여 용해시키거나; 혹은 단계(d)에서 얻어진 실로도신의 결정형 β를 메틸 tert-부틸 에테르와 C1∼C6 알코올의 혼합용매 중에서 가열하여 용해시켜 용액을 얻는 단계, 및
(f) 단계(e)에서 얻어진 용액을 0∼5 ℃로 냉각하면서 실로도신의 결정형 γ를 시딩하고, 교반 및 여과하는 단계
를 포함하는 실로도신의 결정형 γ의 제조방법. - 제1항에 있어서, 상기 C1∼C6 알코올이 이소프로필 알코올, 2-메틸-1-프로판올, n-부탄올, tert-부탄올, 및 2-부탄올로 이루어진 군으로부터 1종 이상 선택되는 것을 특징으로 하는 제조방법.
- 제1항에 있어서, 상기 2-메틸-1-프로판올 또는 상기 메틸 tert-부틸 에테르와 C1∼C6 알코올의 혼합용매가 상기 실로도신의 결정형 β 1 g에 대하여 5∼20 mL의 비율로 사용되는 것을 특징으로 하는 제조방법.
- 삭제
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KR1020160095328A KR101733084B1 (ko) | 2016-07-27 | 2016-07-27 | 실로도신의 결정형의 제조방법 |
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KR1020140182952A Division KR101694262B1 (ko) | 2014-12-18 | 2014-12-18 | 실로도신의 결정형의 제조방법 |
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KR20160092976A KR20160092976A (ko) | 2016-08-05 |
KR101733084B1 true KR101733084B1 (ko) | 2017-05-08 |
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