Tetrahedron letters

The photolysis of ethyl 5-oxo-2-phenyl-2, 5-dihyroisoxazole-4-carboxylate in amines and alcohols

KH Ang, RH Prager

Index: Ang, Kiah H.; Prager, Rolf H. Tetrahedron Letters, 1992 , vol. 33, # 20 p. 2845 - 2846

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Citation Number: 11

Abstract

Abstract Ethyl 5-oxo-2-phenyl-2, 5-dihydroisoxazole-4-crboxylate (1) has been photolysed at 300 nm in a variety of alcohols and amines. The products suggest two competing photolytic pathways: reversible photoisomerisation to a ketene, and a loss of carbon dioxide to form a