Co3O4/NiO@GQDs@SO3H纳米复合材料催化吡喃铬烯和双香豆素的超声合成

IF 4.2 3区 材料科学 Q2 MATERIALS SCIENCE, COMPOSITES
H. Shahbazi-Alavi, Ali Kareem Abbas, J. Safaei‐Ghomi
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引用次数: 3

摘要

摘要以Co3O4/NiO@GQDs@SO3H纳米催化剂为有效催化剂,在乙醇超声辐照下制备了二氢吡喃[3,2-c]铬和双香豆素。采用FT-IR、XRD、SEM、EDS、BET、TGA、XPS和VSM对催化剂进行了表征。原子经济、催化剂可重复使用、催化剂负载低、适用于广泛的底物、产品收率高,以及将声化学方法作为一种有效的方法和无害的激活手段应用于合成化学中,用于制备具有药用优势的杂环分子,这些都是该方法的一些实质特点。目前的催化过程可扩展到广泛的底物,用于合成多种定向的吡喃铬烯和双香豆素库。超声方法通过在微环境中产生活化能,减少了时间,提高了产品的产量。同时,在不久的将来,这种可回收催化剂将为多相催化、绿色化学和环境友好协议提供一个常规平台。图形抽象
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Sonosynthesis of pyranochromenes and biscoumarins catalyzed by Co3O4/NiO@GQDs@SO3H nanocomposite
Abstract Co3O4/NiO@GQDs@SO3H nanocatalyst has been used as an effective catalyst for the preparation of dihydropyrano[3,2-c]chromenes and biscoumarins under ultrasonic irradiations in ethanol. The catalyst has been characterized by FT-IR, XRD, SEM, EDS, BET, TGA, XPS and VSM. Atom economy, reusable catalyst, low catalyst loading, applicability to a wide range of substrates, high yields of products, and applying the sonochemical methodology as an efficient method and innocuous means of activation in synthetic chemistry for the preparation of medicinally privileged heterocyclic molecules are some of the substantial features of this method. The present catalytic procedure is extensible to a wide diversity of substrates for the synthesis of a variety-oriented library of pyranochromene and biscoumarins. The ultrasound approach decreases times, increases yields of products by creating the activation energy in micro surroundings. Meanwhile, this recoverable catalyst will provide a regular platform for heterogeneous catalysis, green chemistry, and environmentally benign protocols in the near future. Graphical Abstract
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来源期刊
Nanocomposites
Nanocomposites Multiple-
CiteScore
7.40
自引率
15.20%
发文量
18
审稿时长
16 weeks
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