... Britain 982 Pergamon Press Ltd. AZA-CLAISEN REARRANGEMENTS IN THE 2-ALLYLOXY SUBSTITUTED OXAZOLE SYSTEM Albert Padwa* and Leslie A. Cohen Department of Chemistry Emory University, Atlanta, Georgia 30322 Abstract Thermolysis and photolysis of several 2-allyloxy substituted 4,5-diphenyloxazoles results in a sigmatropic reorganization to give substituted oxazolin-2-ones. ...