Sulfamic acid: an efficient, cost-effective and recyclable solid acid catalyst for the Friedlander quinoline synthesis

被引：173

作者：

Yadav, JS ^{[1
]}

Rao, PP ^{[1
]}

Sreenu, D ^{[1
]}

Rao, RS ^{[1
]}

Kumar, VN ^{[1
]}

Nagaiah, K ^{[1
]}

Prasad, AR ^{[1
]}

机构：

[1] Indian Inst Chem Technol, Div Organ Chem, Hyderabad 500007, Andhra Pradesh, India

来源：

TETRAHEDRON LETTERS | 2005年 / 46卷 / 42期

关键词：

sulfamic acid (SA); o-aminoaryl ketones; alpha-methylene ketones; quinolines;

D O I：

10.1016/j.tetlet.2005.08.042

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

o-Aminoaryl ketones undergo smooth condensation with alpha-methylene ketones in the presence of sulfamic acid (NH2SO3H) (SA) under mild reaction conditions to afford the corresponding polysubstituted quinolines in excellent yields. The catalyst can be recovered by simple filtration and can be recycled in subsequent reactions. The method is simple, cost-effective and environmentally benign. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：7249 / 7253

页数：5

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