Abstract

The reaction of o-aminophenol with cyanohydrins leads to the formation of novel benzoxazoles 2 or the expected 2-(o-hydroxyanilido)alkylnitriles 3 or mixtures of these two, depending on the alkyl substituents on the cyanohydrin. The formation of benzoxazoles 2 was found to be due to the intrinsic instability of the corresponding 2-(o-hydroxyanilido)alkylnitriles, such as 4.

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