Diethyl P-Styrylphosphonate (3, R= Phenyl).-A solution of 15.8 g (0.04 mol) of z5 in 25 ml of C6H6 was added dropwise to a stirred suspension of 1. 7 g (0.04 mol) of sodium hydride (577, dispersion in mineral oil) in 50 ml of CsH6. When the solution had become clear, 4 g (0.038 mol) of benzaldehyde in 25 ml of C6H6 was added dropwise. Stirring was continued overnight. The CG& was washed with 100 ml of H@ in five portions and was concentrated ...
