反应详情

Ethyl 3-oxo-3-(4-trifluoromethyl-phenyl)-propionate (130 mg, 0.5 mmol) was reacted with tert.-butoxy-bis-(dimethylamino)-methane using in analogous manner the procedure described in example 28a) to give crude title compound (151 mg) as a red oil which was used directly in the next step.