Chlorosulfonyl isocyanate → [1,1':3',1"-Terphenyl]-2'-yl(chlorosulfonyl)carbamate

Participants

Reaction Steps

A solution of 2,6-diphenyl phenol (25.0 g, 101 mmol) in 250 mL ethyl ether was added dropwise to a solution of chlorosulfonyl isocyanate (9.7 mL, 112 μmol) in 100 mL hexane at -15° C. under an atmosphere of nitrogen. The resulting white suspension was allowed to warm to room temperature over 2 hours. Concentrated in vacuo and triturated with ice cold hexane. Vacuum filtration afforded the title compound as a white solid, mp 159°-162° C.

Provenance & Evidence