Triethyl phosphite → 141548-31-4

Participants

Reaction Steps

A solution of 1,4,5-triphenyl-3-(7-bromoheptyl)-imidazol-2-one (1.0 g) and triethylphosphite (1.66 g) in xylene (5 ml) was heated at reflux temperature for 40 hours. The solution was evaporated to an oil and chromatographed on silica gel (ethyl acetate/ethanol)The resulting oil was taken up in diethyl ether, filtered and evaporated to give diethyl 7-(3,4,5-triphenyl-2-oxo-2,3-dihydroimidazol-1-yl)heptanephosphonate as a clear oil (0.84 g, 75%).

Provenance & Evidence