The present invention provides novel and advantageous processes for preparing and purifying pharmaceuticals The processes comprise a nucleophilic reaction wherein a modified leaving group L
M
, which has increased lipophilicity, of a vector in a nucleophilic reaction which offers a convenient and time-saving way to purify the product from non-reacted precursors vector-L
M
and by-products L
M
.
[EN] NON-POLAR AND POLAR LEAVING GROUPS<br/>[FR] GROUPES PARTANTS NON POLAIRES ET POLAIRES
申请人:BAYER SCHERING PHARMA AG
公开号:WO2011006610A1
公开(公告)日:2011-01-20
The present invention provides novel and advantageous processes for preparing and purifying pharmaceuticals The processes comprise a nucleophilic reaction wherein a modified leaving group LM, which has increased lipophilicity, of a vector in a nucleophilic reaction which offers a convenient and time-saving way to purify the product from non-reacted precursors vector-LM and by-products LM.