(E)-7-[2-(4-Fluoro-phenyl)-5-isopropyl-3-pyridin-4-yl-pyrrol-1-yl]-5-hydroxy-3-oxo-hept-6-enoic acid methyl ester 在
sodium tetrahydroborate 、
三乙基硼 作用下,
生成 (+/-)-erythro-(E)-7-<2-(4-fluorophenyl)-5-(1-methylethyl)-3-(4-pyridyl)-1H-pyrrol-1-yl>-3,5-dihydroxy-6-heptenoic acid methyl ester