Journal
TETRAHEDRON LETTERS
Volume 51, Issue 37, Pages 4898-4903Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2010.07.080
Keywords
Metal-free; Oxidative coupling; C-C bond formation; DDQ; 1,3-Dicarbonyl
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Funding
- CSIR, New Delhi, India
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An efficient and simple method for the oxidative coupling of benzylic and allylic sp(3) C-H bonds with active methylenic sp(3) C-H bonds under metal-free conditions was developed by employing 2,3-dichloro-5,6-dicyanobenzoquinone (DDQ) as an oxidant. The reaction was shown to proceed smoothly for various 1,3-dicarbonyl compounds with a range of benzylic and allylic substrates in good to excellent yields. (C) 2010 Elsevier Ltd. All rights reserved.
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