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Title:
５−ブロモ−１，２，３−トリクロロベンゼンを調製するプロセス
Document Type and Number:
Japanese Patent JP6640209
Kind Code:
B2
Abstract:
The present invention relates to a process for the preparation of a compound of formula I (I), comprising reacting a compound of formula II (II), with a brominating agent in the presence of an acidic catalyst to a compound of formula III (III), and reacting the compound of formula III in tetrahydrofuran or 2-methyl-tetrahydrofuran with potassium tert-butoxide to a compound of formula I.

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Inventors:
Smitz helmars
Application Number:
JP2017519836A
Publication Date:
February 05, 2020
Filing Date:
October 08, 2015
Export Citation:
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Assignee:
Syngenta Participations Age
International Classes:
C07C17/35; B01J27/10; B01J27/128; C07C25/02
Domestic Patent References:
JP9512540A
JP53034733A
JP53028126A
Other References:
Journal of Organic Chemistry,2007年,72(15),p.5867-5869
Journal of the American Chemical Society,1971年,93(5),p.1190-1198
Attorney, Agent or Firm:
Shinichiro Tanaka
Disciple Maru Ken
▲吉▼田 和彦
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Hironobu Hattori
Takamitsu Hoshino



 
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