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Title:
PRODUCTION OF BENZAMIDE DERIVATIVE
Document Type and Number:
Japanese Patent JP3640319
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To obtain a benzamide derivative which is useful as an intermediate for insecticide or acaricide by reaction of N-methoxymethylbenzamide derivative with trifluoromethoxybiphenyl (derivative) using a specific solvent and an acid catalyst.
SOLUTION: In (A) nitromethane or nitrobenzene as a solvent, the reaction of (C) a compound of formula I (X1 and X2 are each Cl, F; Me is methyl) with (D) a compound of formula II (R is H, F, a 1-3C alkyl, a 1-3C alkoxy) is carried out in the presence of (B) sulfuric acid as an acid catalyst to give the objective compound of formula III. In a preferred reaction, the amounts of the components A and B are 1-100 equivalents per an equivalent of the component C, respectively, the reaction temperature is -30-+80°C.


Inventors:
Seiji Minakata
Kenichi Matsuda
Yasunao Miura
Kikuchi Yasuo
Application Number:
JP27949995A
Publication Date:
April 20, 2005
Filing Date:
October 26, 1995
Export Citation:
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Assignee:
Dainippon Ink and Chemicals Co., Ltd.
Kyouyu Agri Co., Ltd.
International Classes:
B01J27/02; C07B37/04; C07B61/00; C07C231/12; C07C233/73; (IPC1-7): C07C233/73; B01J27/02; C07C231/12
Domestic Patent References:
JP6135917A
JP7188137A
JP7228559A
Attorney, Agent or Firm:
Masatake Shiga
Takashi Watanabe
Shigeo Naruse