4.4 Article

Mild and efficient palladium-catalyzed homocoupling of lithium alkynyltriisopropoxyborates: a new route to synthesis of 1,3-diynes

Journal

TETRAHEDRON LETTERS
Volume 45, Issue 27, Pages 5221-5224

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2004.05.033

Keywords

palladium; catalyst; homocoupling; diyne; borate

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Lithium alkynyltriisopropoxyborates were homocoupled in the presence of palladium acetate and DPEPhos. This protocol allows a new efficient route to synthesis of 1,3-diynes under very mild conditions. (C) 2004 Elsevier Ltd. All rights reserved.

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