Thermal addition reactions to benzocyclobutenones studied by flash photolysis
P Schiess, M Eberle, M Huys-Francotte, J Wirz
Index: Schiess, P.; Eberle, M.; Huys-Francotte, M.; Wirz, J. Tetrahedron Letters, 1984 , vol. 25, # 21 p. 2201 - 2204
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Citation Number: 31
Abstract
Abstract Ortho-quinoid vinylketenes 2 have been generated through flash photolysis of benzocyclobutenones 1. A kinetic study of intermolecular addition reactions of 2 competing with the recyclization 2→ 1 reveals strikingly different substituent effects for the addition of methanol and of dienophiles.
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