[EN] HIGHLY CHEMOSELECTIVE REACTIONS IN PRESENCE OF AROMATIC AMINO GROUPS [FR] RÉACTIONS HAUTEMENT CHIMIOSÉLECTIVES EN PRÉSENCE DE GROUPES AROMATIQUES AMINÉS
Biskationische Azofarbstoffe sowie deren Zwischenprodukte
申请人:BASF Aktiengesellschaft
公开号:EP0482508B1
公开(公告)日:1995-07-12
US4032652A
申请人:——
公开号:US4032652A
公开(公告)日:1977-06-28
[EN] HIGHLY CHEMOSELECTIVE REACTIONS IN PRESENCE OF AROMATIC AMINO GROUPS<br/>[FR] RÉACTIONS HAUTEMENT CHIMIOSÉLECTIVES EN PRÉSENCE DE GROUPES AROMATIQUES AMINÉS
申请人:NEON LABORATORIES LTD
公开号:WO2017175238A1
公开(公告)日:2017-10-12
: The invention discloses a novel process for highly chemoselective reactions of substituted anilines without any detectable reaction at aromatic amino group. The invention also relates to a novel process for preparation of neostigmine methylsulphate via chemoselective reaction of 3-amionphenol and aryl dimethylcarbamates.