[DMImd-DMP]: A highly efficient and reusable catalyst for the synthesis of 4H-benzo[b]pyran derivatives-Reference-Cited by-同舟云学术

[DMImd-DMP]: A highly efficient and reusable catalyst for the synthesis of 4H-benzo[b]pyran derivatives

Published:2019-12-31 Issue:1 Volume:25 Page:167-179
ISSN:2191-0197
Container-title:Heterocyclic Communications
language:
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Author:

Redouane Mohamed Abdenour¹,Khiri-Meribout Naima¹,Benzerka Saida¹,Debache Abdelmadjid¹

Affiliation:

1. Laboratory of Synthesis of Molecules with Biological Interest, Mentouri-Constantine 1 University, 25000Constantine, Algeria

Abstract

AbstractA series of substituted 4H-pyrans derivatives were synthesized by a one-pot, multi-component reaction of aromatic aldehydes, malononitrile, and pyrazolone derivatives or active methylene carbonyl compounds such as dimedone, in the presence of 1,3-dimethyl imidazolium dimethyl phosphate [DMImd-DMP] as a catalyst in aqueous ethanol. Recyclability of the catalyst, high yields, simple product isolation and high atom economy are the noteworthy aspects of this protocol.

Publisher

Walter de Gruyter GmbH

Subject

Organic Chemistry

Link

https://www.degruyter.com/document/doi/10.1515/hc-2019-0025/pdf

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