Tetrahedron

Effect of ring size on photoreactivity of medium and large ring esters.

VS Kulkarni, NN Kulkarni, SR Lele, BD Hosangadi

Index: Kulkarni, V. S.; Kulkarni, N. N.; Lele, S. R.; Hosangadi, B. D. Tetrahedron, 1988 , vol. 44, # 19 p. 6169 - 6174

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Abstract

Photochemical studies on 7, 8, 12, 14, 16 and 20 membered cyclic esters have been carried out in benzene and methanol. Decarboxylation and solvolysis ascribable to β-and α-scission respectively are observed in case of seven and eight membered cyclic esters. Larger rings do not undergo these photoreactions thus demonstrating effect of ring size on photoreactivity.