Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 653, Issue 1-2, Pages 46-49Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S0022-328X(02)01158-0
Keywords
cross-coupling; Heck reaction; Stephens-Castro reaction; Pd-Cu catalyst; terminal acetylene; sp(2)-C halide
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The Pd-catalyzed cross coupling reactions between sp(2)-C halides and terminal acetylenes have been independently reported by Heck, Cassar and us in 1975. The former two methods have been developed as an extension of the Heck reaction to an acetylenic CH-bond. Ours has been discovered on the base of combination of Pd-catalyzed cross-coupling of sp(2)-C halides with terminal acetylenes and Cu-catalyzed alkynylation of metal complexes developed by us in the course of systematic studies on transition metal acetylide chemistry. The coupling reactions have been used extensively as a reliable method for the synthesis of eneyne-based acetylenic materials. Some recent advances of the coupling are also described. (C) 2002 Elsevier Science B.V. All rights reserved.
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