DK119705B - Fremgangsmåde til fremstilling af 4,5-disubstituerede 2-alkyl-3-hydroxy-pyridiner eller syreadditionssalte deraf. - Google Patents
Fremgangsmåde til fremstilling af 4,5-disubstituerede 2-alkyl-3-hydroxy-pyridiner eller syreadditionssalte deraf.Info
- Publication number
- DK119705B DK119705B DK262565AA DK262565A DK119705B DK 119705 B DK119705 B DK 119705B DK 262565A A DK262565A A DK 262565AA DK 262565 A DK262565 A DK 262565A DK 119705 B DK119705 B DK 119705B
- Authority
- DK
- Denmark
- Prior art keywords
- pyridines
- disubstituted
- hydroxy
- alkyl
- preparation
- Prior art date
Links
- 239000002253 acid Substances 0.000 title 1
- 150000001261 hydroxy acids Chemical class 0.000 title 1
- 150000003839 salts Chemical class 0.000 title 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)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyridine Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH692164A CH451137A (de) | 1964-05-27 | 1964-05-27 | Verfahren zur Herstellung von Pyridinderivaten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK119705B true DK119705B (da) | 1971-02-15 |
Family
ID=4317129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK262565AA DK119705B (da) | 1964-05-27 | 1965-05-25 | Fremgangsmåde til fremstilling af 4,5-disubstituerede 2-alkyl-3-hydroxy-pyridiner eller syreadditionssalte deraf. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3296275A (da) |
| AT (1) | AT278255B (da) |
| BE (1) | BE664497A (da) |
| BR (1) | BR6569731D0 (da) |
| CH (1) | CH451137A (da) |
| DE (1) | DE1545943A1 (da) |
| DK (1) | DK119705B (da) |
| ES (1) | ES313451A1 (da) |
| GB (1) | GB1034050A (da) |
| IL (1) | IL23496A (da) |
| NL (1) | NL145228B (da) |
| NO (1) | NO121662B (da) |
| SE (1) | SE334359B (da) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3410856A (en) * | 1965-10-21 | 1968-11-12 | Merck & Co Inc | Intermediates and process for preparing vitamin b6 |
| EP1685133A1 (en) * | 2003-11-19 | 2006-08-02 | DSM IP Assets B.V. | Manufacture of vitamin b6 |
Family Cites Families (1)
| 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 |
-
1964
- 1964-05-27 CH CH692164A patent/CH451137A/de unknown
-
1965
- 1965-04-21 AT AT364465A patent/AT278255B/de not_active IP Right Cessation
- 1965-04-22 DE DE19651545943 patent/DE1545943A1/de active Pending
- 1965-05-09 IL IL23496A patent/IL23496A/xx unknown
- 1965-05-10 US US454651A patent/US3296275A/en not_active Expired - Lifetime
- 1965-05-19 GB GB21229/65A patent/GB1034050A/en not_active Expired
- 1965-05-19 BR BR169731/65A patent/BR6569731D0/pt unknown
- 1965-05-25 DK DK262565AA patent/DK119705B/da unknown
- 1965-05-26 SE SE06975/65A patent/SE334359B/xx unknown
- 1965-05-26 NL NL656506703A patent/NL145228B/xx unknown
- 1965-05-26 BE BE664497D patent/BE664497A/xx unknown
- 1965-05-26 NO NO158242A patent/NO121662B/no unknown
- 1965-05-26 ES ES0313451A patent/ES313451A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NO121662B (da) | 1971-03-29 |
| IL23496A (en) | 1969-05-28 |
| CH451137A (de) | 1968-05-15 |
| AT278255B (de) | 1970-01-26 |
| DE1545943A1 (de) | 1972-04-06 |
| NL145228B (nl) | 1975-03-17 |
| BR6569731D0 (pt) | 1973-08-02 |
| SE334359B (da) | 1971-04-26 |
| NL6506703A (da) | 1965-11-29 |
| US3296275A (en) | 1967-01-03 |
| ES313451A1 (es) | 1966-02-01 |
| GB1034050A (en) | 1966-06-29 |
| BE664497A (da) | 1965-11-26 |
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