Synlett 2004(12): 2091-2094  
DOI: 10.1055/s-2004-832819
LETTER
© Georg Thieme Verlag Stuttgart · New York

Pt(0)-Catalyzed Alkynylation of Aryl Iodides with Lithium Alkynyltriisopropoxy Borates

Chang Ho Oh*, V. Raghava Reddy
Department of Chemistry, Hanyang University, Sungdong-Gu, Seoul 133-791, Korea
Fax: +82(2)22990732; e-Mail: changho@hanyang.ac.kr;
Further Information

Publication History

Received 1 July 2004
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.