dimethyl (1R,2R,3R,6S,7S,8S)-12-[bis(methylsulfanyl)methylidene]-11-oxo-1,8,9,10-tetraphenyltetracyclo[6.2.1.13,6.02,7]dodeca-4,9-diene-4,5-dicarboxylate 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 6.0h,
以43%的产率得到dimethyl 4-[bis(methylsulfanyl)methyl]-1,11,12,13-tetraphenyl-3-oxapentacyclo[7.4.0.02,11.04,8.05,10]trideca-6,12-diene-6,7-dicarboxylate