An Expeditious and Solvent-Free Synthesis of Substituted Pyrroles Using Sulfated Anatase-Titania as a Solid Acid Catalyst

被引：6

作者：

Ravi, Krishnaswamy ^{[1
]}

Krishnakumar, Balu ^{[1
]}

Swaminathan, Meenakshisundaram ^{[1
]}

机构：

[1] Annamalai Univ, Dept Chem, Photocatalysis Lab, Annamalainagar 608002, Tamil Nadu, India

来源：

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN | 2013年 / 86卷 / 03期

关键词：

ONE-POT SYNTHESIS; ROOM-TEMPERATURE; DIPYRIDOPHENAZINE DERIVATIVES; HETEROGENEOUS CATALYST; METAL-OXIDES; QUINOXALINE;

D O I：

10.1246/bcsj.20120221

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Sulfated anatase-titania (TiO2-SO42-) has been used as a solid acid catalyst for the synthesis of substituted pyrroles from gamma-diketone and aromatic/aliphatic (acyclic and cyclic) primary amines by simple physical grinding. This sulfated titania gives an excellent yield with less reaction time and is an inexpensive, easily recyclable nanocatalytic material for this reaction. Higher catalytic activity of TiO2-SO42- is due to its increased Bronsted acidity.

引用

页码：370 / 375

页数：6

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