Sulfurative self-condensation of ketones and elemental sulfur: a three-component access to thiophenes catalyzed by aniline acid–base conjugate pairs

Thanh Binh Nguyen; Pascal Retailleau

doi:10.1039/C7GC03437G

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Sulfurative self-condensation of ketones and elemental sulfur: a three-component access to thiophenes catalyzed by aniline acid–base conjugate pairs†

Thanh Binh Nguyen

*^a and Pascal Retailleau^a

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* Corresponding authors

^a Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Université Paris-Sud, Université Paris-Saclay, 1, av de la Terrasse, 91198 Gif-sur-Yvette, France
E-mail: nguyen@icsn.cnrs-gif.fr

Abstract

A sulfurative self-condensation method for constructing thiophenes 2 by a reaction between ketones 1 and elemental sulfur is reported. This reaction, which is catalyzed by anilines and their salts with strong acids, starts from readily available and inexpensive materials, and releases only water as a by-product.

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Article information

DOI: https://doi.org/10.1039/C7GC03437G
Article type: Communication
Submitted: 14 Nov 2017
Accepted: 12 Dec 2017
First published: 13 Dec 2017

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Green Chem., 2018,20, 387-390

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Sulfurative self-condensation of ketones and elemental sulfur: a three-component access to thiophenes catalyzed by aniline acid–base conjugate pairs

T. B. Nguyen and P. Retailleau, Green Chem., 2018, 20, 387 DOI: 10.1039/C7GC03437G

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Green Chemistry

Sulfurative self-condensation of ketones and elemental sulfur: a three-component access to thiophenes catalyzed by aniline acid–base conjugate pairs†

Abstract

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Sulfurative self-condensation of ketones and elemental sulfur: a three-component access to thiophenes catalyzed by aniline acid–base conjugate pairs

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