反应详情

The general procedure of Example 46 was repeated, except that the ethyl 3,3-bis(4-fluorophenyl)-2-(1-ethyl-1H-tetrazol-5-yl)-2-propenoate utilized therein was replaced with 1.0 g of ethyl 3,3-bis(4-fluorophenyl)-2-(2-ethyl-2H-tetrazol-5-yl)-2-propenoate and there was thereby produced 0.9 g of the title compound; M.p.=82°-84° C.