Journal
TETRAHEDRON LETTERS
Volume 50, Issue 22, Pages 2636-2639Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2009.03.078
Keywords
Homocoupling reaction; Symmetrical 1,3-diynes; Alkynyltellurides
Categories
Funding
- CNPq [300613/2007-5]
- FAPESP [07/59404-2, 07/51466-9]
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An ultrasound-assisted synthesis of symmetrical 1,3-diyne compounds with electron-withdrawing or donating substituents is described and illustrated by the palladium-catalyzed homocoupling reaction of n-butyl alkynyltellurides. This procedure offers easy access to 1,3-diynes in very short reaction times, and the products are achieved in good to excellent yields. (C) 2009 Elsevier Ltd. All rights reserved.
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