The present invention provides a process for the preparation of substantially pure trityl olmesartan medoxomil. The present invention also provides a process for purification of trityl olmesartan medoxomil. The present invention further provides a process for purification of olmesartan medoxomil.
Olmesartan medoxomil with reduced levels of impurities
申请人:Hedvati Lilach
公开号:US20090209603A1
公开(公告)日:2009-08-20
The present invention provides the preparation of olmesartan medoxomil containing less than about 0.1% of one or more of the impurities OLM-Me, OLM-Cl, and OLM-eliminate.
US7563814B2
申请人:——
公开号:US7563814B2
公开(公告)日:2009-07-21
A convenient and practical synthesis of olmesartan medoxomil methyl ether
Synthesis of Olmesartanmedoxomilmethylether (2), a potential impurity of Olmesartanmedoxomil (1), an angiotensin II receptor blockers is reported for the first time.