Free radical mediated construction of small ring compounds: The double annulation of bicyclo[3.1.0]hex-2-enes
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A free radical approach to fused cyclopropane derivatives is described. Homolytic decomposition of thiohydroxamic esters 4a-e in the presence of dimethyl acetylendicarboxylate affords bicyclo[3.1.0]hex-2-enes 6a-e in moderate yields. (C) 1997 Elsevier Science Ltd.
Source:Tetrahedron Letters, 1997, 38, 23, 4165-4168
- Pergamon-Elsevier Science Ltd, Oxford