PROCESS FOR PREPARING (ALPHA S, BETA R)-6-BROMO-ALPHA-[2-(DIMETHYLAMINO)ETHYL]-2-METHOXY-ALPHA-1-NAPHTHALENYL-BETA-PHENYL-3-QUINOLINEETHANOL
申请人:Janssen Pharmaceutica NV
公开号:EP1888604B1
公开(公告)日:2012-03-14
Process for Preparing (Alpha S, Beta R)-6-Bromo-Alpha-[2-(Dimethylamino) Ethyl]-2-Methoxy-Alpha-1-Naphthalenyl-Beta-Phenyl-3-Quinolineethanol
申请人:Porstmann Frank Ralf
公开号:US20080200683A1
公开(公告)日:2008-08-21
The present invention relates to a process for isolating (αS,βR)-6-bromo-α-[2-(dimethylamino)ethyl]-2-methoxy-α-1-naphthalenyl-β-phenyl-3-quinolineethanol from a mixture of stereoisomeric forms of 6-bromo-α-[2-(dimethylamino)ethyl]-2-methoxy-α-1-naphthalenyl-β-phenyl-3-quinolineethanol by optical resolution with chiral 4-hydroxydinaphtho[2,1-
d
:1′,2′-
f
][1,3,2]dioxaphosphepin 4-oxide or a derivative thereof, in particular (11
b
R)-4-hydroxydinaphtho[2,1-
d
:1′,2′-
f
][1,3,2]dioxaphosphepin 4-oxide, as resolution agent.