AU2003300226A1 - Method for producing pyridoxine or an acid addition salt thereof - Google Patents
Method for producing pyridoxine or an acid addition salt thereofInfo
- Publication number
- AU2003300226A1 AU2003300226A1 AU2003300226A AU2003300226A AU2003300226A1 AU 2003300226 A1 AU2003300226 A1 AU 2003300226A1 AU 2003300226 A AU2003300226 A AU 2003300226A AU 2003300226 A AU2003300226 A AU 2003300226A AU 2003300226 A1 AU2003300226 A1 AU 2003300226A1
- Authority
- AU
- Australia
- Prior art keywords
- acid addition
- addition salt
- pyridoxine
- producing
- producing 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.)
- Abandoned
Links
Classifications
-
- 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)
- Pyridine Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10261271.4 | 2002-12-27 | ||
DE2002161271 DE10261271A1 (en) | 2002-12-27 | 2002-12-27 | Process for the preparation of pyridoxine or its acid addition salt |
PCT/EP2003/014812 WO2004058774A1 (en) | 2002-12-27 | 2003-12-23 | Method for producing pyridoxine or an acid addition salt thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2003300226A1 true AU2003300226A1 (en) | 2004-07-22 |
Family
ID=32478029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2003300226A Abandoned AU2003300226A1 (en) | 2002-12-27 | 2003-12-23 | Method for producing pyridoxine or an acid addition salt thereof |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1578752A1 (en) |
CN (1) | CN100351257C (en) |
AU (1) | AU2003300226A1 (en) |
DE (1) | DE10261271A1 (en) |
WO (1) | WO2004058774A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101402600B (en) * | 2008-11-17 | 2010-08-25 | 江西天新药业有限公司 | Process for producing vitamin B6 |
CN102584692B (en) * | 2011-01-14 | 2013-10-09 | 浙江天新药业有限公司 | Preparation method of puridoxine hydrochloride |
CN102295598B (en) * | 2011-07-12 | 2012-12-19 | 湖北惠生药业有限公司 | Crystallization method of vitamin B6 |
CN104710351B (en) * | 2013-12-13 | 2017-12-26 | 大丰海嘉诺药业有限公司 | A kind of continuous preparation method of vitamin B6 |
CN103739545B (en) * | 2014-01-20 | 2015-07-15 | 新发药业有限公司 | Simple preparation method of vitamin B6 |
CN108586488B (en) * | 2018-03-29 | 2020-05-12 | 浙江新和成股份有限公司 | Photocatalytic synthesis method of Diels-Alder adduct as intermediate of vitamin B6 |
CN114149442A (en) * | 2021-12-08 | 2022-03-08 | 华中药业股份有限公司 | Preparation method of impurity TS-3B |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3250778A (en) * | 1962-11-29 | 1966-05-10 | Hoffmann La Roche | Intermediates for and synthesis of vitamin b and related compounds |
US3227721A (en) * | 1965-05-24 | 1966-01-04 | Merck & Co Inc | Process for preparing 2-methyl-3-hydroxypyridines |
-
2002
- 2002-12-27 DE DE2002161271 patent/DE10261271A1/en not_active Withdrawn
-
2003
- 2003-12-23 AU AU2003300226A patent/AU2003300226A1/en not_active Abandoned
- 2003-12-23 WO PCT/EP2003/014812 patent/WO2004058774A1/en not_active Application Discontinuation
- 2003-12-23 CN CNB2003801077227A patent/CN100351257C/en not_active Expired - Fee Related
- 2003-12-23 EP EP03799503A patent/EP1578752A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CN100351257C (en) | 2007-11-28 |
DE10261271A1 (en) | 2004-07-08 |
WO2004058774A1 (en) | 2004-07-15 |
CN1732175A (en) | 2006-02-08 |
EP1578752A1 (en) | 2005-09-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |