Application of Iodanes to the Dimerization of Terminal Alkynes

Jie Yan; Feng Lin; Zhenping Yang

doi:10.1055/s-2007-966008

SHORTPAPER

Application of Iodanes to the Dimerization of Terminal Alkynes

Jie Yan*^a, Feng Lin^b, Zhenping Yang^a
College of Chemical Engineering and Materials Sciences, Zhejiang University of Technology, Hangzhou 310032, Zhejiang, P. R. of China
Fax: +86(571)88320238; e-Mail: jieyan87@zjut.edu.cn;
Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. of China

Abstract

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Abstract

The dimerization of terminal acetylenes was studied using iodanes as oxidants under palladium-catalyzed conditions. It was found that a number of iodanes were useful in the reaction, with (diacetoxyiodo)benzene and iodosylbenzene being the best oxidants. Diynes were prepared in the dimerization in good yields in a short period of time at room temperature.

Key words

dimerization - diyne - iodane - (diacetoxyiodo)benzene - iodosylbenzene

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