DK109037C - Fremgangsmåde til fremstilling af 2-alkyl-3-hydroxy-4,5-di-hydroxymethyl-pyridiner eller syreadditionssalte deraf. - Google Patents

Fremgangsmåde til fremstilling af 2-alkyl-3-hydroxy-4,5-di-hydroxymethyl-pyridiner eller syreadditionssalte deraf.

Info

Publication number
DK109037C
DK109037C DK560563AA DK560563A DK109037C DK 109037 C DK109037 C DK 109037C DK 560563A A DK560563A A DK 560563AA DK 560563 A DK560563 A DK 560563A DK 109037 C DK109037 C DK 109037C
Authority
DK
Denmark
Prior art keywords
dihydroxymethyl
pyridines
hydroxy
alkyl
preparation
Prior art date
Application number
DK560563AA
Other languages
English (en)
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Application granted granted Critical
Publication of DK109037C publication Critical patent/DK109037C/da

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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
    • C07D263/02—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings
    • C07D263/30—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D263/34—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members 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
    • C07D263/36—One oxygen atom
    • C07D263/42—One oxygen atom attached in position 5
    • 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
    • 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
    • C07D491/10—Spiro-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Epoxy Compounds (AREA)
  • Air Transport Of Granular Materials (AREA)
DK560563AA 1962-11-29 1963-11-29 Fremgangsmåde til fremstilling af 2-alkyl-3-hydroxy-4,5-di-hydroxymethyl-pyridiner eller syreadditionssalte deraf. DK109037C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US241019A US3250778A (en) 1962-11-29 1962-11-29 Intermediates for and synthesis of vitamin b and related compounds

Publications (1)

Publication Number Publication Date
DK109037C true DK109037C (da) 1968-03-11

Family

ID=22908910

Family Applications (2)

Application Number Title Priority Date Filing Date
DK560563AA DK109037C (da) 1962-11-29 1963-11-29 Fremgangsmåde til fremstilling af 2-alkyl-3-hydroxy-4,5-di-hydroxymethyl-pyridiner eller syreadditionssalte deraf.
DK363465AA DK115330B (da) 1962-11-29 1965-07-15 Fremgangsmåde til fremstilling af pyridodioxepinderivater eller syreadditionssalte deraf.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK363465AA DK115330B (da) 1962-11-29 1965-07-15 Fremgangsmåde til fremstilling af pyridodioxepinderivater eller syreadditionssalte deraf.

Country Status (9)

Country Link
US (1) US3250778A (da)
BR (1) BR6354482D0 (da)
CH (1) CH427795A (da)
DE (1) DE1445882A1 (da)
DK (2) DK109037C (da)
ES (1) ES293991A1 (da)
GB (2) GB1013894A (da)
NO (1) NO122836B (da)
SE (1) SE308522B (da)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH451137A (de) * 1964-05-27 1968-05-15 Hoffmann La Roche Verfahren zur Herstellung von Pyridinderivaten
US3364226A (en) * 1965-10-21 1968-01-16 Merck & Co Inc Method for preparing pyridoxine and intermediates therefor
US3408359A (en) * 1965-10-21 1968-10-29 Merck & Co Inc 7-methyl-8-hydroxy-1, 4-dihydro-o-dioxin(4, 5-c)pyridine
US3365461A (en) * 1965-10-21 1968-01-23 Merck & Co Inc Process for preparing pyridoxine
US3410856A (en) * 1965-10-21 1968-11-12 Merck & Co Inc Intermediates and process for preparing vitamin b6
US3429897A (en) * 1965-10-21 1969-02-25 Merck & Co Inc 3,6-dihydro-1,2-dioxin and its method of production
US3525749A (en) * 1969-03-19 1970-08-25 Merck & Co Inc Certain 1,3-dioxepino-(5,6-c)-pyridines
US4011231A (en) * 1975-10-03 1977-03-08 Pfizer Inc. 2-Phenyl-6-(1-hydroxy-2-t-butylaminoethyl)-4H-pyrido[3,2-d]-1,3-dioxin maleate and its use as an intermediate
DE10261271A1 (de) * 2002-12-27 2004-07-08 Basf Ag Verfahren zur Herstellung von Pyridoxin oder seines Säureadditionssalzes
EP1685133A1 (en) * 2003-11-19 2006-08-02 DSM IP Assets B.V. Manufacture of vitamin b6
CN109956899B (zh) * 2017-12-14 2021-01-22 新发药业有限公司 一种维生素b6的制备方法
CN114149442A (zh) * 2021-12-08 2022-03-08 华中药业股份有限公司 一种杂质ts-3b的制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2260261A (en) * 1941-10-21 Cyclic ketals and process for
US2312743A (en) * 1939-12-01 1943-03-02 Standard Oil Dev Co Alkoxy meta-dioxanes
US2520038A (en) * 1948-04-14 1950-08-22 American Cyanamid Co Process for preparing pyridoxine hydrochloride
US2875207A (en) * 1953-11-30 1959-02-24 Sadolin & Holmblad As Process for the preparation of vitamin b6, intermediates employed therein, and processes of preparing the same
US2870097A (en) * 1955-07-01 1959-01-20 Du Pont Process for the preparation of polymeric acetals

Also Published As

Publication number Publication date
DK115330B (da) 1969-09-29
ES293991A1 (es) 1964-05-16
SE308522B (da) 1969-02-17
US3250778A (en) 1966-05-10
DE1445882A1 (de) 1968-11-28
GB1013893A (en) 1965-12-22
CH427795A (de) 1967-01-15
BR6354482D0 (pt) 1973-07-03
GB1013894A (en) 1965-12-22
NO122836B (da) 1971-08-23

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