Intermolecular free radical additions to strained cycloalkenes. Cyclopropene and cyclobutene as radical accepters
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Intermolecular additions of electrophilic radicals to cyclopropene and cyclobutene derivatives afford the addition products in 37-50% yield. The strain relief in the intermediary radical accelerates the addition, as shown by competitive addition experiments. (C) 2000 Elsevier Science Ltd. All rights reserved.
Keywords:radicals and radical reactions / cyclopropenes / cyclobutenes / xanthates / strained compounds
Source:Tetrahedron Letters, 2000, 41, 16, 2979-2982
- Pergamon-Elsevier Science Ltd, Oxford