期刊
JOURNAL OF MOLECULAR STRUCTURE
卷 1227, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.molstruc.2020.129430
关键词
multicomponent reaction; Green synthesis; Zeolite; Heterogenous catalysis; Microwave
资金
- FAPESP [2013/07600-3, 2014/50249-8, 2018/12367-0]
- GlaxoSmithKline
- CAPES [001]
- CNN [429748/2018-3, 302140/2019-0]
This study utilized an ultra-stable Y zeolite as a catalyst to successfully synthesize a series of 1,4-dihydropyridines under microwave irradiation with high yields. The recovery and recycle of the USY zeolite were reported, along with its full characterization.
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.
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