carbonyl(η5-cyclopentadienyl){7-(2-ethoxycarbonyl)-(6,6-dimethyl-4-thia-1-azabicyclo{3.2.0}heptylidene)}(trimethyl phosphite)iron(II) trifluoromethanesulfonate 、
亚碘酰苯 以
乙醇 为溶剂,
以14%的产率得到2R(S),5S(R)-ethyl 6,6-dimethyl-7-oxo-4-thia-1-azabicyclo{3.2.0}heptane-3-carboxylate