Process for preparing C5 products and their use for Atorvastatin synthesis
申请人:Ratiopharm GmbH
公开号:EP1705175A1
公开(公告)日:2006-09-27
The present invention relates to a process for preparing C5 intermediates and their use in the preparation of pyrrole derivatives of a class that is effective at inhibiting the biosynthesis of cholesterol in humans, and more particularly to improved synthetic methods for preparing 3,5-dihydroxy-7-pyrrol-1-yl heptanoic acids from 1,4-diketo starting materials. The invention further relates to intermediates in this process