Synthetic Communications®

Synthesis of Benz [d] oxazolones Involving Concomitant Acetyl Migration from Oxygen to Nitrogen

S Ray, S Ghosh

Index: Ray, Sibdas; Ghosh, Sukla Synthetic Communications, 2010 , vol. 40, # 16 p. 2377 - 2388

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Citation Number: 2

Abstract

Heating of o-acetoxybenzoyl azides 6–10 in toluene leads to the Curtius reaction, which, when followed by closure of oxazolone ring with concomitant migration of acetyl group from oxygen to nitrogen, produces 3-acetoxybenz [d] oxazol-2 (3 H)-ones 11–15, which undergo

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