CA1066291A - 3-formyl-4-methyl-2,6-dihydroxypyridine and a process for its preparation - Google Patents
3-formyl-4-methyl-2,6-dihydroxypyridine and a process for its preparationInfo
- Publication number
- CA1066291A CA1066291A CA284,121A CA284121A CA1066291A CA 1066291 A CA1066291 A CA 1066291A CA 284121 A CA284121 A CA 284121A CA 1066291 A CA1066291 A CA 1066291A
- Authority
- CA
- Canada
- Prior art keywords
- methyl
- dihydroxypyridine
- formyl
- formula
- alkali metal
- 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
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
- C07D213/69—Two or more oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762635206 DE2635206A1 (de) | 1976-08-05 | 1976-08-05 | 3-formyl-4-methyl-2,6-dihydroxypyridin und ein verfahren zu seiner herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1066291A true CA1066291A (en) | 1979-11-13 |
Family
ID=5984778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA284,121A Expired CA1066291A (en) | 1976-08-05 | 1977-08-04 | 3-formyl-4-methyl-2,6-dihydroxypyridine and a process for its preparation |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5321173A (de) |
| BE (1) | BE857479A (de) |
| BR (1) | BR7705105A (de) |
| CA (1) | CA1066291A (de) |
| DE (1) | DE2635206A1 (de) |
| FR (1) | FR2360577A1 (de) |
| GB (1) | GB1542818A (de) |
| IT (1) | IT1143754B (de) |
| NL (1) | NL7708447A (de) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2230392A1 (de) * | 1972-06-22 | 1974-01-31 | Cassella Farbwerke Mainkur Ag | Substituierte pyridinverbindungen und verfahren zu ihrer herstellung |
-
1976
- 1976-08-05 DE DE19762635206 patent/DE2635206A1/de not_active Withdrawn
-
1977
- 1977-07-29 NL NL7708447A patent/NL7708447A/xx not_active Application Discontinuation
- 1977-08-03 BR BR7705105A patent/BR7705105A/pt unknown
- 1977-08-04 GB GB3275677A patent/GB1542818A/en not_active Expired
- 1977-08-04 BE BE179909A patent/BE857479A/xx unknown
- 1977-08-04 CA CA284,121A patent/CA1066291A/en not_active Expired
- 1977-08-04 FR FR7724060A patent/FR2360577A1/fr active Granted
- 1977-08-04 JP JP9304477A patent/JPS5321173A/ja active Pending
- 1977-08-04 IT IT2648577A patent/IT1143754B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| GB1542818A (en) | 1979-03-28 |
| BR7705105A (pt) | 1978-05-02 |
| IT1143754B (it) | 1986-10-22 |
| DE2635206A1 (de) | 1978-02-09 |
| FR2360577A1 (fr) | 1978-03-03 |
| NL7708447A (nl) | 1978-02-07 |
| BE857479A (fr) | 1978-02-06 |
| JPS5321173A (en) | 1978-02-27 |
| FR2360577B1 (de) | 1979-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4228299A (en) | Chemical process for preparing alkyl esters or the amide of 3-(β,.beta. | |
| US4670191A (en) | Process for the preparation of N-phosphonomethylglycine | |
| US4284797A (en) | Process for separating mixtures of 3- and 4-nitrophthalic acid | |
| US3925458A (en) | Process for preparing 2-(4-alkylphenyl)-propion-aldehyde and propionic acid | |
| US4125558A (en) | Method for the manufacture of the cis-2-hydroxy-2-phenyl-r-1-cyclohexanecarboxylic acid | |
| CA1066291A (en) | 3-formyl-4-methyl-2,6-dihydroxypyridine and a process for its preparation | |
| EP0052094A1 (de) | N-Isopropoxycarbonylphenylglycine und ihre Herstellung | |
| US4521616A (en) | Method for the preparation of fluoroanthranilic acids | |
| US4948916A (en) | Process for producing aminooxyacetic acid salts | |
| US4841092A (en) | Preparation of tris(2-cyanoethyl)amine | |
| US5012015A (en) | Process for producing 2,4-dichloro-3-alkyl-6-nitrophenol | |
| KR0160974B1 (ko) | 연체동물구제성 2,4,5-트리브로모피롤-3-카르보니트릴 화합물들의 제조 방법 | |
| US4162255A (en) | Process for extracting aristolochic acids | |
| US4981999A (en) | Selective removal of chlorine from chlorophthalic compounds | |
| US4476306A (en) | Method of preparing 2,4-dihydroxypyrimidine | |
| US3972922A (en) | Process for preparing ether tricarboxylates | |
| US4751314A (en) | Preparation of tetrachloro-3-iminoisoindolin-1-one | |
| US5008449A (en) | Method of synthesis of hydroxy-substituted-4-alkoxyphenylacetic acids | |
| EP0082344B1 (de) | Verfahren zur Herstellung von Beta-Hydroxy-Beta-Methylglutarsäure | |
| US4546203A (en) | Facile synthesis of β-hydroxy-β-methylglutaric acid | |
| DE2132315C3 (de) | Verfahren zur Herstellung der 1 beta, 11 alpha-Dimethyl-1,2,3,4,10 alpha, 11hexahydro-9 beta-hydroxyfluoren-1 alpha, 9alpha-dicarbonsäure aus Abietinsäure | |
| SU1143745A1 (ru) | Способ получени производных 3-(3-бензоксазолонил)пропановой кислоты | |
| US6355836B1 (en) | Process for the preparation of cis 5-fluoro-2-methyl-1[p-(methylthio)benzyliden]-inden-3-acetic acid | |
| EP0138521A1 (de) | Verfahren zur Herstellung von d-alpha-(6-Methoxy-2-naphthyl)-Propionsäure | |
| US2687435A (en) | 1, 14-dimethyl-2-keto-6, 7-dihydroxy-2, 3, 4, 5, 6, 7, 8, 12, 13, 14-decahydrophenan-threne and process for preparing same |