Application of sulfuric acid modified nano kaolin as a heterogeneous catalyst for the efficient synthesis of quinoxalines and benzothiazines

被引：0

作者：

Karimian, Azam ^{[1
]}

Norouzi, Mahdi ^{[2
]}

Fargi, Zahra Nasri ^{[1
]}

机构：

[1] Univ Gonabad, Fac Sci, Dept Chem, Gonabad 9691957678, Iran

[2] Maleke Ashtar Univ Technol, Chem & Chem Engn, Tehran, Iran

来源：

INORGANIC AND NANO-METAL CHEMISTRY | 2024年 / 54卷 / 09期

关键词：

Heterogeneous catalyst; kaolin-OSO3H; natural catalyst; quinoxaline; benzothiazine; SULFONIC-ACID; CRYSTAL-STRUCTURE; SOLID ACID; DERIVATIVES; SILICA; NANOPARTICLES; FACILE; GREEN;

D O I：

10.1080/24701556.2022.2078365

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Kaolin-OSO3H efficiently catalyzes the condensation of 2-aminobenzenethiol or benzene-1,2-diamine and 2-bromo-1-aryl-ethanones to yield quinoxaline and benzothiazine derivatives in good yields. The sulfuric acid modified nano kaolin was synthesized with a simple and low-cost method. The present method also has the advantages of good to excellent yields, short reaction times, operational simplicity, and a natural and green catalyst.

引用

页码：907 / 915

页数：9

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