反应详情

2,2,2-Trifluoroacetophenone is reacted with triphenyl-(4-fluorobenzyl)-phosphonium chloride (R. A. Jones: Australian J. Chem. 18, 903-6 (1965) in ethanol in the presence of sodium ethoxide. 2-Phenyl-3,3,3-trifluoro-1-(4-fluorophenyl)-propene is obtained with a yield of 90%; b.p.: 105°-107° C./0.2 mm Hg, m.p.: 35°-41° C.