Process for the preparation of enantiopure pyrrolidin-2-one derivatives
申请人:Iding Hans
公开号:US20050065204A1
公开(公告)日:2005-03-24
The present invention relates to a process for the preparation of enantiopure intermediates useful in the synthesis of valuable pharmaceutically active compounds, e.g. MAOB inhibitors, and to novel intermediates of formulae I and II
wherein R
21
, R
22
, R
23
and R
24
are as defined in the description and claims.
The invention relates to racemic or enantiomerically pure 4-pyrrolidino derivatives, processes for their preparation, pharmaceutical compositions comprising said derivatives, and their use in the prevention and treatment of illness, in particular which is mediated by monoamine oxidase B inhibitors, in particular Alzheimer's disease or senile dementia.
The invention relates to racemic or enantiomerically pure 4-pyrrolidino derivatives, processes for their preparation, pharmaceutical compositions comprising said derivatives, and their use in the prevention and treatment of illness, in particular which is mediated by monoamine oxidase B inhibitors, in particular Alzheimer's disease or senile dementia.