One-pot multi-component synthesis of N,N′-alkylidene bisamides and imidazoles using heteropoly-11-tungsto-1-vanadophosphoric acid supported on natural clay as catalyst: A green approach

被引：25

作者：

Selvakumar, Karuppaiah ^{[1
]}

Shanmugaprabha, Thangamariyappan ^{[1
]}

Kumaresan, Murugan ^{[1
]}

Sami, Ponnusamy ^{[1
]}

机构：

[1] VHN Senthikumara Nadar Coll Autonomous, Dept Chem, Virudunagar 626001, India

来源：

SYNTHETIC COMMUNICATIONS | 2017年 / 47卷 / 22期

关键词：

Bisamides; heteropoly acid; imidazoles; multi-component synthesis; natural clay; SOLVENT-FREE CONDITIONS; EFFICIENT SYNTHESIS; 2,4,5-TRISUBSTITUTED IMIDAZOLES; SUBSTITUTED IMIDAZOLES; HETEROGENEOUS NANOCATALYST; TUNGSTOPHOSPHORIC ACID; SYMMETRICAL BISAMIDES; 3-COMPONENT SYNTHESIS; SILICA; NANOPARTICLES;

D O I：

10.1080/00397911.2017.1366524

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

One-pot multi-component synthesis of N,N-alkylidene bisamides, 2,4,5-trisubstituted imidazoles and 1,2,4,5-tetrasubstituted imidazoles in the presence of catalytic material heteropoly-11-tungsto-1-vanadophosphoric acid (HPV) supported on activated natural clay for about 20% (HPVAC-20) under solvent-free reaction condition have been achieved. Green heterogeneous reaction condition, simple workup procedure, short reaction time, high yield of products, and reusability of the catalyst are the advantages of this protocol.

引用

页码：2115 / 2126

页数：12

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