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Patent Searching and Data


Title:
BENZOIMIDAZOLE COMPOUND AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/015112
Kind Code:
A1
Abstract:
Disclosed are a benzoimidazole compound and a preparation method therefor, wherein the preparation method involves synthesizing various substituted benzoimidazoles by means of SN2 and a cyclization reaction, namely, by replacing a fluorine atom with amine in a one pot reaction, from corresponding o-fluorinated aryl-N,N-dimethyl formamidine and primary amine, and then eliminating products resulting from dimethylamine cyclization. The method does not require the use of any metal catalyst and/or any toxic reagent, and has a specific selectivity, and no isomer is produced in the reaction product.

Inventors:
LIU XUEJING (CN)
HAN YING (CN)
YANG LIANG (CN)
Application Number:
CN2017/103942
Publication Date:
January 24, 2019
Filing Date:
September 28, 2017
Export Citation:
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Assignee:
ENGINEERING AND TECH INSTITUTE OF LUNAN COAL CHEMICAL ENGINEERING (CN)
UNIV ZAOZHUANG (CN)
SHANDONG JITIAN AROMA CHEMICAL CO LTD (CN)
International Classes:
C07D235/06; C07D405/06
Foreign References:
CN106866545A2017-06-20
Attorney, Agent or Firm:
JINAN SPRINGS PATENT&TRADEMARK OFFICE (CN)
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