(E)-7-[3-Ethyl-4-(4-fluoro-phenyl)-6-isopropyl-2-methyl-thieno[2,3-b]pyridin-5-yl]-5-hydroxy-3-oxo-hept-6-enoic acid ethyl ester 在
sodium hydroxide 、 sodium tetrahydroborate 作用下,
以
乙醇 、
水 为溶剂,
生成 Sodium; (E)-(3S,5R)-7-[3-ethyl-4-(4-fluoro-phenyl)-6-isopropyl-2-methyl-thieno[2,3-b]pyridin-5-yl]-3,5-dihydroxy-hept-6-enoate