DE1229533B - Verfahren zur Herstellung von Pyridinderivaten - Google Patents
Verfahren zur Herstellung von PyridinderivatenInfo
- Publication number
- DE1229533B DE1229533B DEH52045A DEH0052045A DE1229533B DE 1229533 B DE1229533 B DE 1229533B DE H52045 A DEH52045 A DE H52045A DE H0052045 A DEH0052045 A DE H0052045A DE 1229533 B DE1229533 B DE 1229533B
- Authority
- DE
- Germany
- Prior art keywords
- dihydro
- dioxepin
- methyl
- nitrobenzene
- pyridoxine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 12
- 150000003222 pyridines Chemical class 0.000 title claims description 8
- LXNHXLLTXMVWPM-UHFFFAOYSA-N pyridoxine Chemical compound CC1=NC=C(CO)C(CO)=C1O LXNHXLLTXMVWPM-UHFFFAOYSA-N 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 17
- PUMREIFKTMLCAF-UHFFFAOYSA-N 4-methyl-1,3-oxazole Chemical compound CC1=COC=N1 PUMREIFKTMLCAF-UHFFFAOYSA-N 0.000 claims description 16
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Substances [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 claims description 14
- -1 methylenedioxy group Chemical group 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 235000008160 pyridoxine Nutrition 0.000 claims description 10
- 239000011677 pyridoxine Substances 0.000 claims description 10
- 229940011671 vitamin b6 Drugs 0.000 claims description 10
- ARGCQEVBJHPOGB-UHFFFAOYSA-N 2,5-dihydrofuran Chemical compound C1OCC=C1 ARGCQEVBJHPOGB-UHFFFAOYSA-N 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 8
- 125000003545 alkoxy group Chemical group 0.000 claims description 6
- 239000012024 dehydrating agents Substances 0.000 claims description 6
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- OVBPIULPVIDEAO-LBPRGKRZSA-N folic acid Chemical compound C=1N=C2NC(N)=NC(=O)C2=NC=1CNC1=CC=C(C(=O)N[C@@H](CCC(O)=O)C(O)=O)C=C1 OVBPIULPVIDEAO-LBPRGKRZSA-N 0.000 claims description 5
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- IUMGHPYLNYPXHT-UHFFFAOYSA-N 2-methyl-4,7-dihydro-1,3-dioxepine Chemical compound CC1OCC=CCO1 IUMGHPYLNYPXHT-UHFFFAOYSA-N 0.000 claims description 4
- RUTBWJOYERVBCR-UHFFFAOYSA-N 2-propyl-4,7-dihydro-1,3-dioxepine Chemical compound CCCC1OCC=CCO1 RUTBWJOYERVBCR-UHFFFAOYSA-N 0.000 claims description 4
- BAKUAUDFCNFLBX-UHFFFAOYSA-N 4,7-dihydro-1,3-dioxepine Chemical compound C1OCC=CCO1 BAKUAUDFCNFLBX-UHFFFAOYSA-N 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 150000005181 nitrobenzenes Chemical class 0.000 claims description 3
- ATZGUXPLGMKHOR-UHFFFAOYSA-N 2,2-dimethyl-4,7-dihydro-1,3-dioxepine Chemical compound CC1(C)OCC=CCO1 ATZGUXPLGMKHOR-UHFFFAOYSA-N 0.000 claims description 2
- DRRPAFPCDLXMFG-UHFFFAOYSA-N 2-phenyl-4,7-dihydro-1,3-dioxepine Chemical compound O1CC=CCOC1C1=CC=CC=C1 DRRPAFPCDLXMFG-UHFFFAOYSA-N 0.000 claims description 2
- DMGDSBIHRJJUGP-UHFFFAOYSA-N 2-propan-2-yl-4,7-dihydro-1,3-dioxepine Chemical compound CC(C)C1OCC=CCO1 DMGDSBIHRJJUGP-UHFFFAOYSA-N 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 229940125782 compound 2 Drugs 0.000 claims 1
- LQNUZADURLCDLV-IDEBNGHGSA-N nitrobenzene Chemical group [O-][N+](=O)[13C]1=[13CH][13CH]=[13CH][13CH]=[13CH]1 LQNUZADURLCDLV-IDEBNGHGSA-N 0.000 claims 1
- 239000000376 reactant Substances 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 21
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 12
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 11
- 230000008018 melting Effects 0.000 description 10
- 238000002844 melting Methods 0.000 description 10
- 238000004821 distillation Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 7
- ZUFQODAHGAHPFQ-UHFFFAOYSA-N pyridoxine hydrochloride Chemical compound Cl.CC1=NC=C(CO)C(CO)=C1O ZUFQODAHGAHPFQ-UHFFFAOYSA-N 0.000 description 6
- 229960004172 pyridoxine hydrochloride Drugs 0.000 description 6
- 235000019171 pyridoxine hydrochloride Nutrition 0.000 description 6
- 239000011764 pyridoxine hydrochloride Substances 0.000 description 6
- RZKKOBGFCAHLCZ-UHFFFAOYSA-N 1,4-dichloro-2-nitrobenzene Chemical compound [O-][N+](=O)C1=CC(Cl)=CC=C1Cl RZKKOBGFCAHLCZ-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 3
- 239000003929 acidic solution Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- GWHJZXXIDMPWGX-UHFFFAOYSA-N 1,2,4-trimethylbenzene Chemical compound CC1=CC=C(C)C(C)=C1 GWHJZXXIDMPWGX-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- 150000001241 acetals Chemical class 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- MHDVGSVTJDSBDK-UHFFFAOYSA-N dibenzyl ether Chemical compound C=1C=CC=CC=1COCC1=CC=CC=C1 MHDVGSVTJDSBDK-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- FVHAWXWFPBPFOS-UHFFFAOYSA-N 1,2-dimethyl-3-nitrobenzene Chemical compound CC1=CC=CC([N+]([O-])=O)=C1C FVHAWXWFPBPFOS-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- ZUTCJXFCHHDFJS-UHFFFAOYSA-N 1,5-dinitronaphthalene Chemical compound C1=CC=C2C([N+](=O)[O-])=CC=CC2=C1[N+]([O-])=O ZUTCJXFCHHDFJS-UHFFFAOYSA-N 0.000 description 1
- SUGXZLKUDLDTKX-UHFFFAOYSA-N 1-(2-nitrophenyl)ethanone Chemical compound CC(=O)C1=CC=CC=C1[N+]([O-])=O SUGXZLKUDLDTKX-UHFFFAOYSA-N 0.000 description 1
- LXQOQPGNCGEELI-UHFFFAOYSA-N 2,4-dinitroaniline Chemical compound NC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O LXQOQPGNCGEELI-UHFFFAOYSA-N 0.000 description 1
- AQSRSYODIBLNLR-UHFFFAOYSA-N 2,5-dihydrofuran-2,5-diol Chemical compound OC1OC(O)C=C1 AQSRSYODIBLNLR-UHFFFAOYSA-N 0.000 description 1
- WXFWXFIWDGJRSC-UHFFFAOYSA-N 2,5-dimethoxy-2,5-dihydrofuran Chemical compound COC1OC(OC)C=C1 WXFWXFIWDGJRSC-UHFFFAOYSA-N 0.000 description 1
- QFUSCYRJMXLNRB-UHFFFAOYSA-N 2,6-dinitroaniline Chemical compound NC1=C([N+]([O-])=O)C=CC=C1[N+]([O-])=O QFUSCYRJMXLNRB-UHFFFAOYSA-N 0.000 description 1
- XCSNRORTQRKCHB-UHFFFAOYSA-N 2-chloro-6-nitrotoluene Chemical compound CC1=C(Cl)C=CC=C1[N+]([O-])=O XCSNRORTQRKCHB-UHFFFAOYSA-N 0.000 description 1
- DLURHXYXQYMPLT-UHFFFAOYSA-N 2-nitro-p-toluidine Chemical compound CC1=CC=C(N)C([N+]([O-])=O)=C1 DLURHXYXQYMPLT-UHFFFAOYSA-N 0.000 description 1
- DPJCXCZTLWNFOH-UHFFFAOYSA-N 2-nitroaniline Chemical compound NC1=CC=CC=C1[N+]([O-])=O DPJCXCZTLWNFOH-UHFFFAOYSA-N 0.000 description 1
- CFBYEGUGFPZCNF-UHFFFAOYSA-N 2-nitroanisole Chemical compound COC1=CC=CC=C1[N+]([O-])=O CFBYEGUGFPZCNF-UHFFFAOYSA-N 0.000 description 1
- PLAZTCDQAHEYBI-UHFFFAOYSA-N 2-nitrotoluene Chemical compound CC1=CC=CC=C1[N+]([O-])=O PLAZTCDQAHEYBI-UHFFFAOYSA-N 0.000 description 1
- QZYHIOPPLUPUJF-UHFFFAOYSA-N 3-nitrotoluene Chemical compound CC1=CC=CC([N+]([O-])=O)=C1 QZYHIOPPLUPUJF-UHFFFAOYSA-N 0.000 description 1
- JOWXBGIZDALBJW-UHFFFAOYSA-N 3h-dioxepine Chemical compound C1OOC=CC=C1 JOWXBGIZDALBJW-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- YQYGPGKTNQNXMH-UHFFFAOYSA-N 4-nitroacetophenone Chemical compound CC(=O)C1=CC=C([N+]([O-])=O)C=C1 YQYGPGKTNQNXMH-UHFFFAOYSA-N 0.000 description 1
- ZPTVNYMJQHSSEA-UHFFFAOYSA-N 4-nitrotoluene Chemical compound CC1=CC=C([N+]([O-])=O)C=C1 ZPTVNYMJQHSSEA-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- DOJXGHGHTWFZHK-UHFFFAOYSA-N Hexachloroacetone Chemical compound ClC(Cl)(Cl)C(=O)C(Cl)(Cl)Cl DOJXGHGHTWFZHK-UHFFFAOYSA-N 0.000 description 1
- WRYNUJYAXVDTCB-UHFFFAOYSA-M acetyloxymercury Chemical compound CC(=O)O[Hg] WRYNUJYAXVDTCB-UHFFFAOYSA-M 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 125000003172 aldehyde group Chemical group 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 239000012223 aqueous fraction Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 125000000051 benzyloxy group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])O* 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N dimethylformamide Substances CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- RDULEYWUGKOCMR-UHFFFAOYSA-N ethyl 2-chloro-3-oxobutanoate Chemical compound CCOC(=O)C(Cl)C(C)=O RDULEYWUGKOCMR-UHFFFAOYSA-N 0.000 description 1
- XNMORZSEENWFLI-UHFFFAOYSA-N ethyl 4-methyl-1,3-oxazole-5-carboxylate Chemical compound CCOC(=O)C=1OC=NC=1C XNMORZSEENWFLI-UHFFFAOYSA-N 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- JGEMYUOFGVHXKV-OWOJBTEDSA-N fumaraldehyde Chemical compound O=C\C=C\C=O JGEMYUOFGVHXKV-OWOJBTEDSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000012280 lithium aluminium hydride Substances 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical compound C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- VBEGHXKAFSLLGE-UHFFFAOYSA-N n-phenylnitramide Chemical class [O-][N+](=O)NC1=CC=CC=C1 VBEGHXKAFSLLGE-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 150000004053 quinones Chemical class 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000001256 steam distillation Methods 0.000 description 1
- UGNWTBMOAKPKBL-UHFFFAOYSA-N tetrachloro-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(Cl)=C(Cl)C1=O UGNWTBMOAKPKBL-UHFFFAOYSA-N 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
- C07D213/65—One oxygen atom attached in position 3 or 5
- C07D213/66—One oxygen atom attached in position 3 or 5 having in position 3 an oxygen atom and in each of the positions 4 and 5 a carbon atom bound to an oxygen, sulphur, or nitrogen atom, e.g. pyridoxal
- C07D213/67—2-Methyl-3-hydroxy-4,5-bis(hydroxy-methyl)pyridine, i.e. pyridoxine
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pyridine Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1116763A GB1034483A (en) | 1963-03-21 | 1963-03-21 | A process for the manufacture of pyridine derivatives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1229533B true DE1229533B (de) | 1966-12-01 |
Family
ID=9981248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEH52045A Pending DE1229533B (de) | 1963-03-21 | 1964-03-13 | Verfahren zur Herstellung von Pyridinderivaten |
Country Status (11)
| Country | Link |
|---|---|
| BE (1) | BE645469A (cs) |
| BR (1) | BR6457464D0 (cs) |
| CH (1) | CH451136A (cs) |
| CS (1) | CS167215B2 (cs) |
| DE (1) | DE1229533B (cs) |
| DK (1) | DK115328B (cs) |
| ES (1) | ES297819A1 (cs) |
| GB (1) | GB1034483A (cs) |
| NL (2) | NL6403004A (cs) |
| NO (1) | NO121661B (cs) |
| SE (1) | SE323677B (cs) |
-
0
- NL NL127791D patent/NL127791C/xx active
-
1963
- 1963-03-21 GB GB1116763A patent/GB1034483A/en not_active Expired
-
1964
- 1964-03-10 CH CH305164A patent/CH451136A/de unknown
- 1964-03-11 BR BR15746464A patent/BR6457464D0/pt unknown
- 1964-03-13 DE DEH52045A patent/DE1229533B/de active Pending
- 1964-03-18 CS CS155664A patent/CS167215B2/cs unknown
- 1964-03-20 NL NL6403004A patent/NL6403004A/xx unknown
- 1964-03-20 DK DK144464A patent/DK115328B/da unknown
- 1964-03-20 BE BE645469D patent/BE645469A/xx unknown
- 1964-03-20 ES ES0297819A patent/ES297819A1/es not_active Expired
- 1964-03-20 NO NO15254264A patent/NO121661B/no unknown
- 1964-03-20 SE SE347964A patent/SE323677B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR6457464D0 (pt) | 1973-07-17 |
| CH451136A (de) | 1968-05-15 |
| NL127791C (cs) | |
| GB1034483A (en) | 1966-06-29 |
| DK115328B (da) | 1969-09-29 |
| ES297819A1 (es) | 1964-09-01 |
| CS167215B2 (cs) | 1976-04-29 |
| NL6403004A (cs) | 1964-09-22 |
| SE323677B (cs) | 1970-05-11 |
| NO121661B (cs) | 1971-03-29 |
| BE645469A (cs) | 1964-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2228423B2 (de) | 3,4-Dihydro-t,23-oxathiazin-4-one und Verfahren zu ihrer Herstellung | |
| DE2726200A1 (de) | Verfahren zur herstellung von n-methylpiperidin-2-carbonsaeure-2,6- xylidid-hydrochlorid | |
| DE2715080A1 (de) | Verfahren zur herstellung von cyclopentenon-derivaten | |
| DE1445882A1 (de) | Verfahren zur Herstellung von Pyridinderivaten | |
| CH651563A5 (de) | Hydroxyimino-oktahydro-indolo(2,3-a)chinolizin-derivate sowie verfahren zu ihrer herstellung. | |
| DE2458638C2 (de) | 4'-substituierte 2-Methyl-3-piperidinopropiophenonderivate, Verfahren zu deren Herstellung und pharmakologische Zubereitungen, welche diese enthalten | |
| DE2429935C3 (de) | Verfahren zur Herstellung von 2,2,6,6- Tetramethyl-4-oxopiperidin | |
| DE1193512B (de) | Verfahren zur Herstellung von bicyclischen delta-Lactonen | |
| DE1229533B (de) | Verfahren zur Herstellung von Pyridinderivaten | |
| AT251579B (de) | Verfahren zur Herstellung von Pyridinderivaten | |
| DE2623170C2 (de) | Verfahren zur Herstellung von α-Cyanzimtaldehyd-Derivaten und 3,4,5-Trimethoxy-α-Cyanzimtaldehyd | |
| DE1147946B (de) | Verfahren zur Herstellung von Phenthiazinderivaten und ihren Saeureadditionssalzen | |
| DE2221123C2 (de) | Reserpsäurederivate, Verfahren zu deren Herstellung und Arzneimittel | |
| AT206884B (de) | Verfahren zur Herstellung von neuen Polyenaldehyden | |
| DE1445882C (de) | Verfahren zur Herstellung von Pyn dindenvaten | |
| AT250338B (de) | Verfahren zur Herstellung neuer, basischer Derivate von substituierten Benzofuran-2-carbonsäuren und deren Salzen | |
| DE2820263C3 (de) | Verfahren zur Herstellung von 9-Methoxy-7H-furo [3,2g] [1] -benzopyran-7-on (8-Methoxy-psoralen) | |
| DE1002337C2 (de) | Verfahren zur Herstellung von Hydrophenanthrylcarbonsaeuren | |
| AT215996B (de) | Verfahren zur Herstellung von neuen Pyridinderivaten | |
| DE1000822C2 (de) | Verfahren zur Herstellung von Pyridazonverbindungen | |
| DE1470084A1 (de) | Verfahren zur Herstellung von substituierten Piperidin-derivaten | |
| DE2501220C3 (de) | Verfahren zur Herstellung von substituierten l,7-Diphenyl-5-hydroxyhepta-( 1,4,6)-trien-(3)-onen | |
| DD150463A1 (de) | Verfahren zur herstellung von benzo-1.2.4-triazin-3-ylessigsaeurederivaten | |
| DE962885C (de) | Verfahren zur Herstellung von Colchiceinsulfoxyden | |
| DE1933153A1 (de) | Des-N-methyldihydroacronycin,seine verwandten Verbindungen und Verfahren zu ihrer Herstellung |