The present invention provides a process for preparing novel intermediates of Formula wherein, R1 can be hydrogen, C1-C4 alkyl, halogen, nitro, hydroxy, or C1-C4 alkoxy; Rx can be selected from hydrophobic residue of HMG-CoA reductase inhibitors; which can be effectively used for the preparation of HMG-CoA reductase inhibitors such as rosuvastatin and pharmaceutically acceptable salts thereof.
本发明提供了一种制备式中新型中间体的方法,其中,R1可以是氢、C1-C4烷基、卤素、硝基、羟基或C1-C4烷氧基;Rx可以选择来自
HMG-CoA还原酶
抑制剂的疏
水残基;该方法可以有效地用于制备
HMG-CoA还原酶
抑制剂,例如罗伊司他和其药学上可接受的盐。