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Issue 2, 2015
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ZnS nanoparticles as an efficient recyclable heterogeneous catalyst for one-pot synthesis of 4-substituted-1,5-benzodiazepines

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Abstract

An efficient and novel method was developed for the synthesis of 4-substituted-1,5-benzodiazepine derivatives via a one-pot three-component catalytic reaction. The o-phenylenediamine and dimedone were reacted with aldehyde derivatives in the presence of ZnS nanoparticles as a heterogeneous catalyst under thermal conditions. The reaction was completed with high to excellent product yields and short reaction times. Simplicity of operation, high yields, easy work-up, easily accessible catalyst and purification of products through a crystallization method (non-chromatographic) are the key advantages of this work.

Graphical abstract: ZnS nanoparticles as an efficient recyclable heterogeneous catalyst for one-pot synthesis of 4-substituted-1,5-benzodiazepines

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Publication details

The article was received on 26 Oct 2014, accepted on 17 Nov 2014 and first published on 20 Nov 2014


Article type: Paper
DOI: 10.1039/C4NJ01893A
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Citation: New J. Chem., 2015,39, 1228-1236

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    ZnS nanoparticles as an efficient recyclable heterogeneous catalyst for one-pot synthesis of 4-substituted-1,5-benzodiazepines

    H. Naeimi and H. Foroughi, New J. Chem., 2015, 39, 1228
    DOI: 10.1039/C4NJ01893A

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