反应详情

The general procedure of Example 21, Steps A, B, C, and D were repeated, except that the ethyl 3,3-bis(4-fluorophenyl)-2-[1-(1-methylethyl)-1H-tetrazol-5-yl]-2-propenoate utilized therein was replaced by ethyl 3,3-bis(4-fluorophenyl)-2-[2-(1-methylethyl)-2H-tetrazol-5-yl]-2-propenoate and there was thereby produced in 88% yield the title compound.