NL7708447A - PROCESS FOR THE PREPARATION OF A 2.6-DIHY-DROXYPYRIDINE. - Google Patents
PROCESS FOR THE PREPARATION OF A 2.6-DIHY-DROXYPYRIDINE.Info
- Publication number
- NL7708447A NL7708447A NL7708447A NL7708447A NL7708447A NL 7708447 A NL7708447 A NL 7708447A NL 7708447 A NL7708447 A NL 7708447A NL 7708447 A NL7708447 A NL 7708447A NL 7708447 A NL7708447 A NL 7708447A
- Authority
- NL
- Netherlands
- Prior art keywords
- droxypyridine
- dihy
- preparation
- Prior art date
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 (en) | 1976-08-05 | 1976-08-05 | 3-FORMYL-4-METHYL-2,6-DIHYDROXYPYRIDINE AND A METHOD FOR ITS PRODUCTION |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7708447A true NL7708447A (en) | 1978-02-07 |
Family
ID=5984778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7708447A NL7708447A (en) | 1976-08-05 | 1977-07-29 | PROCESS FOR THE PREPARATION OF A 2.6-DIHY-DROXYPYRIDINE. |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5321173A (en) |
| BE (1) | BE857479A (en) |
| BR (1) | BR7705105A (en) |
| CA (1) | CA1066291A (en) |
| DE (1) | DE2635206A1 (en) |
| FR (1) | FR2360577A1 (en) |
| GB (1) | GB1542818A (en) |
| IT (1) | IT1143754B (en) |
| NL (1) | NL7708447A (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2230392A1 (en) * | 1972-06-22 | 1974-01-31 | Cassella Farbwerke Mainkur Ag | SUBSTITUTED PYRIDINE COMPOUNDS AND PROCESS FOR THEIR PRODUCTION |
-
1976
- 1976-08-05 DE DE19762635206 patent/DE2635206A1/en not_active Withdrawn
-
1977
- 1977-07-29 NL NL7708447A patent/NL7708447A/en not_active Application Discontinuation
- 1977-08-03 BR BR7705105A patent/BR7705105A/en unknown
- 1977-08-04 IT IT2648577A patent/IT1143754B/en active
- 1977-08-04 BE BE179909A patent/BE857479A/en unknown
- 1977-08-04 JP JP9304477A patent/JPS5321173A/en active Pending
- 1977-08-04 GB GB3275677A patent/GB1542818A/en not_active Expired
- 1977-08-04 FR FR7724060A patent/FR2360577A1/en active Granted
- 1977-08-04 CA CA284,121A patent/CA1066291A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE857479A (en) | 1978-02-06 |
| DE2635206A1 (en) | 1978-02-09 |
| IT1143754B (en) | 1986-10-22 |
| GB1542818A (en) | 1979-03-28 |
| BR7705105A (en) | 1978-05-02 |
| FR2360577A1 (en) | 1978-03-03 |
| CA1066291A (en) | 1979-11-13 |
| FR2360577B1 (en) | 1979-07-20 |
| JPS5321173A (en) | 1978-02-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DNT | Communications of changes of names of applicants whose applications have been laid open to public inspection |
Free format text: CASSELLA AKTIENGESELLSCHAFT |
|
| BV | The patent application has lapsed |