[EN] PROCESS FOR MAKING N-(DIPHENYLMETHYL)PIPERAZINES<br/>[FR] PROCÉDÉ DE FABRICATION DE N-(DIPHÉNYLMÉTHYL)PIPÉRAZINES
申请人:SYNTHON BV
公开号:WO2009065622A1
公开(公告)日:2009-05-28
The compound of formula (8), in racemic or single enantiomeric form, is useful in making N-(diphenylmethyl)-piperazines such as cetirizine and levocetrizine, wherein Z is preferably phenyl.
The compound of formula (8), in racemic or single enantiomeric form, is useful in making N-(diphenylmethyl)-piperazines such as cetirizine and levocetrizine.
wherein Z is preferably phenyl.
US7989623B2
申请人:——
公开号:US7989623B2
公开(公告)日:2011-08-02
Process for making n-(diphenylmethyl)piperazines
申请人:Zhu Jie
公开号:US20090143582A1
公开(公告)日:2009-06-04
The compound of formula (8), in racemic or single enantiomeric form, is useful in making N-(diphenylmethyl)-piperazines such as cetirizine and levocetrizine.
wherein Z is preferably phenyl.