PROCESS FOR THE PREPARATION OF HMG-COA REDUCTASE INHIBITORS AND INTERMEDIATES THEREOF
申请人:Ju Hyun
公开号:US20130096303A1
公开(公告)日:2013-04-18
The present invention provides an improved process for preparing HMG-CoA reductase inhibitors such as rosuvastatin calcium, fluvastatin sodium, and pitavastatin calcium under a mild condition, using a novel amide-bond-containing compound having R
2
—N—O—R
1
moiety as a key intermediate. And also, the present invention provides the novel compound, an intermediate useful for the preparation thereof, and a process for the preparation thereof.
本发明提供了一种改进的方法,用于制备HMG-CoA还原酶抑制剂,例如罗伊司他钙、氟伐他汀钠和匹伐他汀钙,在温和的条件下使用具有R2—N—O—R1基团的新型酰胺键含有化合物作为关键中间体。此外,本发明还提供了该新型化合物、其制备有用的中间体以及制备该化合物的方法。