p-TSA@nano SiO2 as a New and Efficient Nanocatalyst for the One-Pot Multi-component Synthesis of Some Novel 1-Amidoalkyl-2-Naphthols Under Solvent-Free Conditions

被引：3

作者：

Nikoofar, Kobra ^{[1
]}

Dizgarani, Shekoufe Moazzez ^{[1
]}

机构：

[1] Alzahra Univ, Fac Phys & Chem, Dept Chem, Tehran 1993891176, Iran

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES INDIA SECTION A-PHYSICAL SCIENCES | 2019年 / 89卷 / 04期

关键词：

p-TSA@nano SiO2; Amidoalkyl naphthols; Solvent-free; Multi-component; Reusable nano catalyst; HETEROGENEOUS CATALYSTS; REUSABLE CATALYST; AMIDOALKYL NAPHTHOLS; PROMOTED SYNTHESIS; FACILE SYNTHESIS; SULFONIC-ACID; CONDENSATION; THIOCYANATION; 2-NAPHTHOL; ALDEHYDES;

D O I：

10.1007/s40010-018-0531-5

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Para-toluene sulfonic acid has been embedded on nano SiO2 (p-TSA@nano SiO2) via a simple method and has been characterized by FT-IR, SEM and EDX techniques. The catalytic activity of the newly synthesized nanostructure has been examined in the environmentally friendly synthesis of 1-amidoalkyl-2-naphthols by the one-pot multi-component condensation of 2-naphthol, various aldehydes, and different amides under solvent-free conditions at 90 degrees C. Short reaction times, easy work-up procedure, excellent yields, and preparation of a vast range of the products, in addition with utilizing the p-TSA@nano SiO2, as a new catalytic system that possesses easy handling, and reusability properties, are some highlighted points of the reported procedure. The proposed mechanism of the condensation has also been described.

引用

页码：629 / 641

页数：13

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