Process For Preparing A Benzoylbenzeneacetamide Derivative
申请人:Suarez Gabriel Tojo
公开号:US20090312575A1
公开(公告)日:2009-12-17
Disclosed is a process for preparing anti-inflammatory compound nepafenac comprising preparing a compound of formula (V) wherein a N-halosuccinimide is used as the halogenating agent, followed by desulfurization using Raney Nickel. Also disclosed is a polymorphic form B of 2-amino-3-benzoyl-α-(methylthio)-benzeneacetamide (i.e., a compound of formula (V) wherein R is methyl
PROCESS FOR PREPARING A BENZOYLBENZENEACETAMIDE DERIVATIVE
申请人:Medichem, S.A.
公开号:EP2307354B1
公开(公告)日:2012-04-25
US4313949A
申请人:——
公开号:US4313949A
公开(公告)日:1982-02-02
US8278484B2
申请人:——
公开号:US8278484B2
公开(公告)日:2012-10-02
[EN] PROCESS FOR PREPARING A BENZOYLBENZENEACETAMIDE DERIVATIVE<br/>[FR] PROCÉDÉ DE PRÉPARATION D'UN DÉRIVÉ DE BENZOYLBENZÈNE ACÉTAMIDE
申请人:MEDICHEM SA
公开号:WO2009150524A1
公开(公告)日:2009-12-17
Disclosed is a process for preparing anti-inflammatory compound nepafenac comprising preparing a compound of formula (V) wherein a N-halosuccinimide is used as the halogenating agent, followed by desulfurization using Raney Nickel. Also disclosed is a polymorphic form B of 2-amino-3-benzoyl-α-(methylthio)-benzeneacetamide (i.e., a compound of formula (V) wherein R is methyl. (Formula V).