Phosgene → [1,1'-Biphenyl]-4-yl carbonochloridate

Participants

Reaction Steps

2.00 g (11.75 mmol) of [1,1′-biphenyl]-4-ol in suspension in 50 ml of dichloromethane are introduced into a 50-ml three-necked flask, 0.47 g (11.75 mmol) of 60% sodium hydride in mineral oil is added portionwise, and the solvent is evaporated off under reduced pressure. A white solid is obtained which is added over 1 h to 6.84 ml (12.92 mmol) of a 20% solution of phosgene in toluene at 30° C. and left in contact for 3 h.

Provenance & Evidence