Preparation of benzoxazolone

Details Preparation of benzoxazolone Preparation of benzoxazolone

C - Chemistry, Metallurgy

07

D

260/311.1

C07D 263/58 (2006.01)

Patent

CA 1150275

A B S T R A C T "PREPARATION OF BENZOXAZOLONE" Benzoxazolone, which is a compound useful for the preparation of inter alia an insecticide, is obtained by heating a mixture of ortho-chlorophenol and urea under ammonia pressure (optionally in the presence of a metal, e.g. copper. catalyst) and then heating the resulting mixture under atmospheric pressure, preferably in the presence of water.

351332

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