反应详情

Following the procedure for the preparation of 8-oxo-2,2-dimethyl-7α-isopropyl-3-oxa-1-azabicyclo[4.2.0]octane (Example 4b, above), except that an equivalent amount of 1-(t-butyl-dimethylsilyl)-4-vinyl-2-azetidinone is substituted for the 8-oxo-2,2-dimethyl-3-oxa-1-azabicyclo[4.2.0]octane of Example 4b and using ethyl iodide instead of isopropyl iodide, the title compound is obtained.