TECHNICAL FIELD The present invention relates to a method for producing a chiral intermediate for a statin drug obtained by performing a series of reactions such as etherification, condensation, substitution, asymmetric reduction and the like using chloroacetic acid and benzyl alcohol as starting materials. In the production method provided by the present invention, the synthetic route is further new and the intermediate compound can be easily introduced into the diol chiral center by enzymatic reduction, which is inexpensive and has stable quality. In the synthetic route provided by the present invention, the raw materials used are inexpensive, the process is easy to operate, and the purity and yield of the final product are high.本発明は、クロロ酢酸とベンジルアルコールを出発原料として、エーテル化、縮合、置換、不斉還元等の一連の反応を行って得るスタチン系薬物用のキラル中間体の製造方法に関する。本発明の提供する製造方法は、合成経路が更に新規で、酵素還元によって中間体化合物をジオールキラル中心に容易に導入でき、安価な上に、品質が安定する。本発明の提供する合成経路では、使用される原料が安価で、プロセスが操作しやすく、最終生成物の純度及び収率が高い。
