Title:
【発明の名称】シアン化ハロメチルベンゾイルの製法
Document Type and Number:
Japanese Patent JPH10509160
Kind Code:
A
Abstract:
PCT No. PCT/EP95/04463 Sec. 371 Date May 6, 1997 Sec. 102(e) Date May 6, 1997 PCT Filed Nov. 14, 1995 PCT Pub. No. WO96/16023 PCT Pub. Date May 30, 1996Halomethylbenzoyl cyanides I PH-CO-CN (I) where Ph is phenyl which is substituted by chloromethyl or bromomethyl and may cary 1-4 other rradicals, are prepared from halomethylbenzoyl chlorides II PH-CO-Cl (II), by reacting II with a cyanide-donating compound in the presence of a Lewis acid, if required in an inert organic solvent or diluent, and then isolating the product. The halomethylbenzoyl cyanides I are important intermediates for synthesizing crop protection agents.
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Inventors:
Isaac, Heinz
Kyle, Michael
Wolf, Bernd
Vingert, Horst
Vettling, Thomas
Kyle, Michael
Wolf, Bernd
Vingert, Horst
Vettling, Thomas
Application Number:
JP51652696A
Publication Date:
September 08, 1998
Filing Date:
November 14, 1995
Export Citation:
Assignee:
BASF Akchen Gezel Shaft
International Classes:
C07B61/00; C07C253/14; C07C255/40; (IPC1-7): C07C255/40; C07C253/14
Attorney, Agent or Firm:
Tajiro Taiji (1 person outside)