Tetrahedron

Pericyclic transformations of tetracyclo [8, 2, 1, 0 2, 9 0 3, 8] trideca-4, 6, 11-trienes, and formation of dihydrosemibullvalenes by thermal intramolecula

WP Lay, K Mackenzie, AS Miller, DL Williams-Smith

Index: Lay, W. P.; Mackenzie, K.; Miller, A. S.; Williams-Smith, D. L. Tetrahedron, 1980 , vol. 36, p. 3021 - 3031

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Citation Number: 3

Abstract

Cyclopentadienones react with certain cyclobutene dienophiles to give the anticipated carbonyl bridge adducts; these, on relatively mild thermolysis, yield dihydrosemibullvalene derivatives by a novel sequence including cheletropic loss of carbon monoxide, ...