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American Journal of Chemistry and Application

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The Potassium Pyrophosphate K2CaP2O7, a New and Efficient Catalyst for the Conjugate Addition of Thiols onto Chalcones

American Journal of Chemistry and Application
Vol.1 , No. 1, Publication Date: Jul. 7, 2014, Page: 15-19

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Authors

[1]	Younes Abrouki , Department of Research, Faculty of Science and Technology, Mohammedia, Morocco.
[2]	Abdelkader Anouzla , Department of Research, Faculty of Science and Technology, Mohammedia, Morocco.
[3]	Hayat Loukili , Department of Research, Faculty of Science and Technology, Mohammedia, Morocco.
[4]	Ahmed Abrouki , Department of Research, Faculty of Science and Technology, Mohammedia, Morocco.
[5]	El-Hassan Loukili , Department of Research, Faculty of Science and Technology, Mohammedia, Morocco.
[6]	Jamal Bennazha , Department of Research, Faculty of Science and Technology, Mohammedia, Morocco.
[7]	Ahmed Rayadh , Department of Research, Faculty of Science and Technology, Mohammedia, Morocco.
[8]	Saı̈d Sebti , Department of Chimistry, Faculty of Science Ben M'Sik, Casablanca, Morocco.
[9]	Mohamed Zahouily , Department of Research, Faculty of Science and Technology, Mohammedia, Morocco.

Abstract

The synthetic potassium pyrophosphate K2CaP2O7 is a new solid support, catalyze the Michael addition of mercaptans onto ,-unsaturated carbonyl compounds in heterogeneous media, leading to quantitative yields in a short reaction time. Products of undesirable side reactions resulting from 1,2-addition, polymerisation and bis-addition are not observed. The work-up procedure is simplified so she gives a cleaner product.

Keywords

Heterogeneous Catalysis, K2CaP2O7, Conjugate Addition, Carbon-Sulphur Bond, Thiols, Chalcones Derivatives

Reference

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