Xavier Bon,Christine Biencourt,Corinne Leroy,Julia Mateos-Caro,Philippe Vayron
申请号:
US13742816
公开号:
US08884033B2
申请日:
2013.01.16
申请国别(地区):
US
年份:
2014
代理人:
摘要:
The disclosure relates to a process for preparing 5-aminobenzoylbenzofuran derivatives of formula I:in which R1 and R2 are as defined in the disclosure by reduction of a 5-nitrobenzofuran derivative of formula II:using a hydrogen transfer agent, in the presence of palladium-on-charcoal as catalyst and in an ether or an ether mixture as solvent.