Phenol → Phosphinous acid, diphenyl-

Participants

Reaction Steps

Diphenylphosphinous acid chloride [(C6H5)2PCl, 55 g.] was added to a solution of phenol (21.6g) and pyridine (18 g.) in 250 ml. of dry ether at 5°C. with stirring. After standing overnight, the precipitated pyridinium chloride was removed by filtration and the filtrate distilled. The phenyl ester of diphenylphosphinous acid [(C6H5)2POC6H5 ] obtained weighed 54 g. and boiled at 145°C. at 0.1 mm.

Provenance & Evidence