Homocoupling of Terminal Alkynes to 1,4-Disubstituted 1,3-Diynes Promoted by Copper(I) Iodide and a Task Specific Ionic Liquid, [bmim]OH -A Green Procedure

Brindaban   C.   Ranu; Subhash      Banerjee

doi:10.2174/157017806778559518

Abstract

A simple and efficient method for the oxidative homocoupling of terminal alkynes to symmetrical 1,4-disubstituted 1,3-diynes has been developed using copper(I) iodide in a task specific basic ionic liquid, [bmim]OH under atmospheric condition without requiring any palladium compound, amine base, oxidant and organic solvent.

Keywords: Homocoupling, alkynes, 1,3-diynes, ionic liquid, copper(I) iodide

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Letters in Organic Chemistry

Title: Homocoupling of Terminal Alkynes to 1,4-Disubstituted 1,3-Diynes Promoted by Copper(I) Iodide and a Task Specific Ionic Liquid, [bmim]OH -A Green Procedure

Volume: 3 Issue: 8

Author(s): Brindaban C. Ranu and Subhash Banerjee

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Keywords: Homocoupling, alkynes, 1,3-diynes, ionic liquid, copper(I) iodide

Abstract: A simple and efficient method for the oxidative homocoupling of terminal alkynes to symmetrical 1,4-disubstituted 1,3-diynes has been developed using copper(I) iodide in a task specific basic ionic liquid, [bmim]OH under atmospheric condition without requiring any palladium compound, amine base, oxidant and organic solvent.

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Ranu C. Brindaban and Banerjee Subhash, Homocoupling of Terminal Alkynes to 1,4-Disubstituted 1,3-Diynes Promoted by Copper(I) Iodide and a Task Specific Ionic Liquid, [bmim]OH -A Green Procedure, Letters in Organic Chemistry 2006; 3 (8) . https://dx.doi.org/10.2174/157017806778559518