GB1151252A - A process for preparing Pyridoxin - Google Patents

A process for preparing Pyridoxin

Info

Publication number
GB1151252A
GB1151252A GB2538466A GB2538466A GB1151252A GB 1151252 A GB1151252 A GB 1151252A GB 2538466 A GB2538466 A GB 2538466A GB 2538466 A GB2538466 A GB 2538466A GB 1151252 A GB1151252 A GB 1151252A
Authority
GB
United Kingdom
Prior art keywords
pyridoxin
carboxyl
formula
alkoxycarbonyl
hydroxymethyl
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.)
Expired
Application number
GB2538466A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Takeda Pharmaceutical Co Ltd
Original Assignee
Takeda Chemical Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Publication of GB1151252A publication Critical patent/GB1151252A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic 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
    • C07D213/02Heterocyclic 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
    • C07D213/04Heterocyclic 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
    • C07D213/60Heterocyclic 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
    • C07D213/62Oxygen or sulfur atoms
    • C07D213/63One oxygen atom
    • C07D213/65One oxygen atom attached in position 3 or 5
    • C07D213/66One 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
    • C07D213/672-Methyl-3-hydroxy-4,5-bis(hydroxy-methyl)pyridine, i.e. pyridoxine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
GB2538466A 1965-06-08 1966-06-07 A process for preparing Pyridoxin Expired GB1151252A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3424165 1965-06-08

Publications (1)

Publication Number Publication Date
GB1151252A true GB1151252A (en) 1969-05-07

Family

ID=12408646

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2538466A Expired GB1151252A (en) 1965-06-08 1966-06-07 A process for preparing Pyridoxin

Country Status (2)

Country Link
BE (1) BE682155A (enrdf_load_stackoverflow)
GB (1) GB1151252A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108341768A (zh) * 2018-03-12 2018-07-31 成都平和安康医药科技有限公司 一种还原法制备维生素b6的方法
CN108358836A (zh) * 2018-03-01 2018-08-03 成都平和安康医药科技有限公司 2-甲基-3-羟基吡啶-4,5-二甲酸酯还原制备维生素b6的方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108358836A (zh) * 2018-03-01 2018-08-03 成都平和安康医药科技有限公司 2-甲基-3-羟基吡啶-4,5-二甲酸酯还原制备维生素b6的方法
CN108358836B (zh) * 2018-03-01 2021-04-27 成都平和安康医药科技有限公司 2-甲基-3-羟基吡啶-4,5-二甲酸酯还原制备维生素b6的方法
CN108341768A (zh) * 2018-03-12 2018-07-31 成都平和安康医药科技有限公司 一种还原法制备维生素b6的方法

Also Published As

Publication number Publication date
BE682155A (enrdf_load_stackoverflow) 1966-11-14

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees