DK0492233T3 - Fremgangsmåde til fremstilling af 5-cyano-4-alkyl-oxazol - Google Patents
Fremgangsmåde til fremstilling af 5-cyano-4-alkyl-oxazolInfo
- Publication number
- DK0492233T3 DK0492233T3 DK91121035.9T DK91121035T DK0492233T3 DK 0492233 T3 DK0492233 T3 DK 0492233T3 DK 91121035 T DK91121035 T DK 91121035T DK 0492233 T3 DK0492233 T3 DK 0492233T3
- Authority
- DK
- Denmark
- Prior art keywords
- oxazole
- cyano
- lower alkyl
- alkyl
- preparing
- Prior art date
Links
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH407590 | 1990-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0492233T3 true DK0492233T3 (da) | 1996-09-09 |
Family
ID=4269355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK91121035.9T DK0492233T3 (da) | 1990-12-21 | 1991-12-09 | Fremgangsmåde til fremstilling af 5-cyano-4-alkyl-oxazol |
Country Status (6)
Country | Link |
---|---|
US (1) | US5214162A (da) |
EP (1) | EP0492233B1 (da) |
JP (1) | JP3132872B2 (da) |
AT (1) | ATE141596T1 (da) |
DE (1) | DE59108101D1 (da) |
DK (1) | DK0492233T3 (da) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK0612736T3 (da) * | 1993-02-25 | 1999-10-25 | Hoffmann La Roche | Fremgangsmåde til fremstilling af oxazolderivater |
US5910594A (en) * | 1997-02-13 | 1999-06-08 | Roche Vitamins Inc. | Process for the manufacture of 5-cyano-4-lower alkyl-oxazoles |
TWI828726B (zh) * | 2018-07-27 | 2024-01-11 | 日商三菱瓦斯化學股份有限公司 | 芳香族腈化合物的製造方法,及碳酸酯的製造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2901504A (en) * | 1956-09-06 | 1959-08-25 | Robert S Aries | Nitriles from aromatic acids and derivatives |
CH449623A (de) * | 1963-05-22 | 1968-01-15 | Hoffmann La Roche | Verfahren zur Herstellung von 4-Alkyl-5-cyan-oxazolen |
US4026901A (en) * | 1975-04-30 | 1977-05-31 | Hoffmann-La Roche Inc. | Conversion of 4-lower alkyloxazole-5-carboxamide to 4-lower alkyl-5-cyanooxazoles |
CH616415A5 (da) * | 1975-07-11 | 1980-03-31 | Hoffmann La Roche | |
US4093654A (en) * | 1977-03-31 | 1978-06-06 | Hoffmann-La Roche Inc. | Production of pyridoxine intermediates from diketene |
CA1122220A (en) * | 1978-11-02 | 1982-04-20 | Hans Hoffmann-Paquotte | Process for the manufacture of an oxazole |
EP0224706A1 (de) * | 1985-11-01 | 1987-06-10 | F. Hoffmann-La Roche Ag | Verfahren zur Herstellung eines Oxazols |
-
1991
- 1991-12-05 US US07/803,004 patent/US5214162A/en not_active Expired - Lifetime
- 1991-12-09 EP EP91121035A patent/EP0492233B1/de not_active Expired - Lifetime
- 1991-12-09 DE DE59108101T patent/DE59108101D1/de not_active Expired - Fee Related
- 1991-12-09 DK DK91121035.9T patent/DK0492233T3/da active
- 1991-12-09 AT AT91121035T patent/ATE141596T1/de not_active IP Right Cessation
- 1991-12-17 JP JP03352848A patent/JP3132872B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH04321672A (ja) | 1992-11-11 |
DE59108101D1 (de) | 1996-09-26 |
US5214162A (en) | 1993-05-25 |
JP3132872B2 (ja) | 2001-02-05 |
EP0492233A1 (de) | 1992-07-01 |
EP0492233B1 (de) | 1996-08-21 |
ATE141596T1 (de) | 1996-09-15 |
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