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
本发明涉及一种制备C5中间体并将其用于制备一类对人类
胆固醇生物合成具有抑制作用的
吡咯衍
生物的方法,更具体地涉及从1,4-二酮起始物质改进的合成方法,用于制备3,5-二羟基-7-
吡咯-1-基
庚酸。该发明还涉及该过程中的中间体。