Nano Sulfated Titania as a Heterogeneous Solid Acid Catalyst for the Synthesis of Pyrroles by Clauson-Kaas Condensation under Solvent-free Conditions

被引：15

作者：

Hosseini-Sarvari, M. ^{[1
]}

Najafvand-Derikvandi, S. ^{[1
]}

Jarrahpour, A. ^{[1
]}

Heiran, R. ^{[1
]}

机构：

[1] Shiraz Univ, Dept Chem, Shiraz 71454, Iran

来源：

CHEMISTRY OF HETEROCYCLIC COMPOUNDS | 2014年 / 49卷 / 12期

关键词：

2,5-dimethoxytetrahydrofuran; nano sulfated titania; N-substituted pyrroles; Clauson-Kaas condensation; N-SUBSTITUTED PYRROLES; ONE-POT SYNTHESIS; FACILE SYNTHESIS; EFFICIENT; SULFONAMIDES; TIO2;

D O I：

10.1007/s10593-014-1425-3

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new and environmentally benign method for the preparation of N-substituted pyrroles from one-pot condensation reaction of 2,5-dimethoxytetrahydrofuran with amines and diamines in the presence of nano sulfated titania under solvent-free conditions is presented. This new protocol features simple operation, easy availability, stability, and eco-friendliness of catalyst, as well as high to excellent yields of products. In addition, we report for the first time an alternative method for the synthesis of pyrroles from aromatic amines containing the beta-lactam fragment using nano sulfated titania as catalyst.

引用

页码：1732 / 1739

页数：8

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