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Synlett 2004(12): 2091-2094
DOI: 10.1055/s-2004-832819
DOI: 10.1055/s-2004-832819
LETTER
© Georg Thieme Verlag Stuttgart · New York
Pt(0)-Catalyzed Alkynylation of Aryl Iodides with Lithium Alkynyltriisopropoxy Borates
Further Information
Received
1 July 2004
Publication Date:
21 September 2004 (online)
Publication History
Publication Date:
21 September 2004 (online)
Abstract
An efficient cross coupling reaction of various lithium alkynyltriiospropoxyborates with a wide array of aryl iodides was catalyzed by Pt(PPh3)4-CuI in DMF as a solvent. These cross coupling reactions are general and permit the new sp-sp2 carbon-carbon bond formation.
Key words
alkynylation - lithium alkynylborate - Pt-catalyst - Suzuki-Miyaura coupling
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