(5S,9S)-(-)-Methyl-5,9-epoxy-5,6,9,10-tetrahydro-8-hydroxy-2,3-dimethoxy-5-methyl-benzocycloocten-7-carboxylat 在
sodium tetrahydroborate 作用下,
以
甲醇 、
1,2-二氯乙烷 、
乙腈 为溶剂,
反应 6.0h,
生成 (5S,7S,8S,9S)-methyl 5,9-epoxy-5,6,7,8,9,10-hexahydro-8-<1-imidazolyl-(thiocarbony)-oxy>-2,3-dimethoxy-5-methyl-benzocyclooctene-7-carboxylate