PROCESS FOR THE PREPARATION OF PYROLLIDINE-3-CARBOXYLIC ACIDS
申请人:Hoffmann-Emery Fabienne
公开号:US20100152462A1
公开(公告)日:2010-06-17
The invention relates to a novel process for the preparation of (3S,4S)- or (3R,4R)-1-benzyl-4-(halogen-aryl)-pyrrolidine-3-carboxylic acids of formula I
or salts thereof, wherein X and Y are each independently hydrogen or a halogen atom, with the proviso that at least one of X or Y is a halogen atom. The compounds of formula I are useful as starting materials or intermediates for the preparation of pharmaceutically active compounds, especially for compounds, which are useful for the treatment of central nervous system disorders.
Process for the preparation of pyrollidine-3-carboxylic acids
申请人:Hoffmann-La Roche Inc.
公开号:US08344161B2
公开(公告)日:2013-01-01
The invention relates to a novel process for the preparation of (3S,4S)- or (3R,4R)-1-benzyl-4-(halogen-aryl)-pyrrolidine-3-carboxylic acids of formula I
or salts thereof, wherein X and Y are each independently hydrogen or a halogen atom, with the proviso that at least one of X or Y is a halogen atom. The compounds of formula I are useful as starting materials or intermediates for the preparation of pharmaceutically active compounds, especially for compounds, which are useful for the treatment of central nervous system disorders.
The present application relates to compounds of formula
wherein R1, R2, R3, R4, and n are defined herein
or to a pharmaceutically active salt thereof. The present compounds are high potential NK-3 receptor antagonists for the treatment of depression, pain, psychosis, Parkinson's disease, schizophrenia, anxiety and attention deficit hyperactivity disorder (ADHD).