Title:
ケトベンゾフラン誘導体の合成方法
Document Type and Number:
Japanese Patent JP2014510092
Kind Code:
A
Abstract:
The invention relates to a method for synthesizing benzofuran derivatives, in particular the dronedarone of formula (D), including carrying out a Fries rearrangement reaction using a sulfonamido-benzofuran ester intermediate.
Inventors:
Grimaud, Bernard
Grossi, Pierre-Jiyan
Grossi, Pierre-Jiyan
Application Number:
JP2014500457A
Publication Date:
April 24, 2014
Filing Date:
March 23, 2012
Export Citation:
Assignee:
SANOFI
International Classes:
C07D307/80; A61K31/343; A61P9/06; C07C311/08; C07C311/21; C07D307/84
Attorney, Agent or Firm:
Kawaguchi International Patent Office