Sulfamic acid as a reusable and green catalyst for efficient and simple synthesis of 2-substituted-2,3-dihydroquinazolin-4(1H)-ones in water or methanol

被引：3

作者：

Amin Rostami ^{[1
]}

Ashkan Tavakoli ^{[1
]}

机构：

[1] Department of Chemistry Faculty of Science,University of Kurdistan,Sanandaj 6617715143,Iran

来源：

Chinese Chemical Letters | 2011年 / 22卷 / 11期

关键词：

Sulfamic acid; Catalyst; Anthranilamide; Aldehyde; Ketone; 2,3-Dihydroquinazolin-4(1H)-ones;

D O I：

暂无

中图分类号：

O621.3 [有机合成化学];

学科分类号：

070303 ; 081704 ;

摘要：

A series of 2,3-dihydroquinazolin-4（1H）-ones have been synthesized in good to excellent yields through direct cyclocondensation of anthranilamide and aryl aldehydes or ketones in water or methanol under mild conditions.The reaction was efficiently promoted by 10 mol%sulfamic acid（SA,H;NSO;H） and the catalyst could be recovered easily after the reactions and reused without evident loss of reactivity.

引用

页码：1317 / 1320

页数：4

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