Microwave-Assisted Cross-Coupling Reaction of Alkynylstibanes with Aryl Iodides in the Presence of Ammonium Salt

Naoki Kakusawa; Jyoji Kurita

doi:10.1248/cpb.53.1369

Chemical and Pharmaceutical Bulletin

Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363

Communications to the Editor

Microwave-Assisted Cross-Coupling Reaction of Alkynylstibanes with Aryl Iodides in the Presence of Ammonium Salt

Naoki Kakusawa, Jyoji Kurita

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Keywords: microwave, cross-coupling, alkynylstibane, aryl iodide, palladium catalyst, phase transfer catalyst

JOURNAL FREE ACCESS

2005 Volume 53 Issue 10 Pages 1369-1371

DOI https://doi.org/10.1248/cpb.53.1369

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Abstract

The scope of microwave-assisted coupling reaction of alkynylstibane and aryl iodides to form diarylalkynes is presented. Highly efficient reaction took place smoothly in dimethyl sulfoxide in the presence of cetyltrimethylammonium bromide with much shorter time (1 min) and lower catalyst loading (0.5 mol%) than the conventional method (heating for 24 h with 10 mol% catalyst).

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