Method for the preparing biphenyltetrazole compounds which are angiotensin II receptor antagonists or which are useful intermediates to prepare angiotensin II receptor antagonists. An illustrative biphenyl tetrazole compound is 2-n-butyl-4-chloro-1-[(2'-(tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-im idazole-5-methanol, potassium salt.
Tetrazolylphenylboronic acid intermediates for the synthesis of AII
申请人:——
公开号:US05130439A1
公开(公告)日:1992-07-14
Novel tetrazolylphenylboronic acids, methods for their preparation, and their use in the syntheses of angiotensin II receptor antagonists are disclosed.
PROCESS FOR THE PREPARATION OF BENZYLIMIDAZOLE DERIVATIVES AND FOR LOSARTAN.
申请人:Dipharma S.p.A.
公开号:EP1548009A3
公开(公告)日:2005-11-16
A process for the preparation of benzylimidazole derivatives useful as intermediates for preparation of losartan, novel intermediates for their preparation and a process for the preparation of losartan.
Process for the preparation of benzylimidazole derivatives
申请人:Allegrini Pietro
公开号:US20050090672A1
公开(公告)日:2005-04-28
A process for the preparation of benzylimidazole derivatives useful as intermediates for preparation of losartan, novel intermediates for their preparation and a process for the preparation of losartan.