USY-zeolite catalyzed synthesis of 1,4-dihydropyridines under microwave irradiation: structure and recycling of the catalyst

被引：19

作者：

Alponti, Leonardo H. R. ^{[1
]}

Picinini, Monize ^{[2
]}

Urquieta-Gonzalez, Ernesto A. ^{[2
]}

Correa, Arlene G. ^{[1
]}

机构：

[1] Ctr Excellence Res Sustainable Chem, Dept Chem, Sao Carlos, SP, Brazil

[2] Univ Fed Sao Carlos, Dept Chem Engn, BR-13565905 Sao Carlos, SP, Brazil

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2021年 / 1227卷

基金：

巴西圣保罗研究基金会;

关键词：

multicomponent reaction; Green synthesis; Zeolite; Heterogenous catalysis; Microwave; HANTZSCH 1,4-DIHYDROPYRIDINES; MULTICOMPONENT REACTIONS; EFFICIENT; BIGINELLI; ACID; ACRIDINEDIONES; CHEMISTRY; ESTERS;

D O I：

10.1016/j.molstruc.2020.129430

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The Hantzsch three-component reaction is the best-known multicomponent reaction, affording dihydropyridines which have been employed therapeutically and also as visible-light photoredox catalysts. In this work we report the application of an ultra-stable (US) Y zeolite as a promising green catalyst in the synthesis of a series of 1,4-dihydropyridines under microwave irradiation. Using the optimized reaction conditions, 21 compounds were prepared in 64-96% isolated yields. The recovery and recycle of the USY zeolite are also reported as well as its fully characterization. (C) 2020 Elsevier B.V. All rights reserved.

引用

页数：7

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