(1R,2aR,2bS,4S,4aR,4bR)-4-Benzoyloxy-3-oxo-hexahydro-cyclopropa[cd]pentalene-1,2b-dicarboxylic acid dimethyl ester 、
苯硫酚 在
sodium hydride 作用下,
以
四氢呋喃 为溶剂,
以88%的产率得到(1R,3S,3aR,6S,6aS)-6-Benzoyloxy-5-hydroxy-3-phenylsulfanyl-1,2,3,3a,6,6a-hexahydro-pentalene-1,4-dicarboxylic acid dimethyl ester