Synlett p. 1391 - 1393 (2008)
Update date:2022-08-25
Topics:
Sardarian
Shahsavari-Fard
An efficient method for synthesis of 2-substituted benzoxazoles has been developed using diethyl chlorophosphate. 2-Hydroxyaryl ketoximes are efficiently converted to benzoxazoles by heating in the presence of diethyl chlorophosphate via Beckmann rearrangement of ketoxime in excellent yields. This method avoids the use of strong acids, harsh conditions, and long reaction times. Georg Thieme Verlag Stuttgart.
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