PROCESS FOR SYNTHESIZING KETO BENZOFURAN DERIVATIVES
申请人:Grimaud Bernard
公开号:US20140046078A1
公开(公告)日:2014-02-13
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.
Process for synthesizing keto benzofuran derivatives
申请人:Grimaud Bernard
公开号:US08962869B2
公开(公告)日:2015-02-24
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.
PROCESS FOR SYNTHESIZING KETO-BENZOFURAN DERIVATIVES
申请人:Grimaud Bernard
公开号:US20140018553A1
公开(公告)日:2014-01-16
The invention relates to a process for synthesizing benzofuran derivatives, in particular dronedarone of formula (D), comprising a step of Friedel-Crafts acylation starting from a sulfonamido-benzofuran ester intermediate.