Synthesis of pyrimido [4, 5-b] indoles using heteropoly-11-molybdo-1-vanadophosphoric acid supported on montmorillonite K10 clay as catalyst: A Green Approach

被引：7
作者：
Kumaresan, M. [1 ]
Selvakumar, K. [1 ]
Sami, P. [1 ]
机构：
[1] VHNSN Coll Autonomous, Dept Chem, Virudunagar 626001, India
来源：
MATERIALS TODAY-PROCEEDINGS | 2017年 / 4卷 / 13期
关键词：
Heteropoly acid; Montmorillonite K10; Green catalyst; Condensation reaction; Pyrimido; 4; 5-b; indole; Solvent-free; ACCESS;
D O I：
10.1016/j.matpr.2017.10.014
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A method for synthesis of pyrimido [4, 5-b] indole derivatives has been developed through the one-pot, three-component reaction of aldehyde, oxindole, urea (or) thiourea derivatives in the presence of catalytic amount of Keggin-type heteropoly acid, heteropoly-11-molybdo-1-vanadophosphoric acid, H-4[PMo11VO40].32H(2)O supported on montmorillonite K10 clay for about 10 % (PVMo-K10). Solvent-free heterogeneous reaction condition, simple workup procedure, short reaction time, moderately yield and reusability of the catalyst are the advantages of this protocol. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：12437 / 12447
页数：11
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