Title:
PROCESS FOR PRODUCING 3-OXO-2-(2-THIAZOLYL)PROPANENITRILE AND INTERMEDIATE
Document Type and Number:
WIPO Patent Application WO/2002/076962
Kind Code:
A1
Abstract:
A process for producing a 3-oxo-2-(2-thiazolyl)propanenitrile useful as an intermediate for agricultural chemicals, medicines, etc., especially as an intermediate for an acrylonitrile derivative which is an active ingredient for insecticides or acaricides. Provided are: a novel compound represented by the formula (2); a process for producing the compound (2) which comprises reacting a compound represented by the formula (3) with a compound represented by the formula (4); and a process for producing a compound represented by the formula (1) which comprises causing ammonia to act on the compound (2). (In the formulae, Z represents nitro, cyano, etc.; Y represents halogeno, C¿1-6? alkyl, etc.; R represents hydrogen, C¿1-6? alkyl, etc.; X represents halogeno; and n and m each independently is an integer of 0 to 5.) (4) (3) $m(7) (2) (2) $m(7) (1).
Inventors:
YAGIHARA TOMIO (JP)
SUZUKI TATSUMI (JP)
SUZUKI TATSUMI (JP)
Application Number:
PCT/JP2002/002703
Publication Date:
October 03, 2002
Filing Date:
March 20, 2002
Export Citation:
Assignee:
NIPPON SODA CO (JP)
YAGIHARA TOMIO (JP)
SUZUKI TATSUMI (JP)
YAGIHARA TOMIO (JP)
SUZUKI TATSUMI (JP)
International Classes:
C07C319/14; C07C319/20; C07D277/30; C07C323/56; (IPC1-7): C07D277/30; C07C323/56
Domestic Patent References:
| WO2000017174A1 | 2000-03-30 |
Foreign References:
| US5382584A | 1995-01-17 |
Other References:
HIRAI KENTARO ET AL.: "Studies on heterocycles cation systems. XI. Synthesis of 2-disubstituted-amino-4-arylthiazol-5-ylalkanoic acids", CHEM. PHARM. BULL., vol. 25, no. 9, 1971, pages 2282 - 2299, XP002192713
Attorney, Agent or Firm:
Tokai, Yusaku c/o Nippon Soda Co. Ltd. (2-1, Ohtemachi 2-chom, Chiyoda-ku Tokyo, JP)
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