Sulfamic Acid: A Mild, Efficient, and Cost-Effective Catalyst for Synthesis of Indoloquinoxalines at Ambient Temperature

被引：13

作者：

Hegade, Pravin G. ^{[1
]}

Mane, Mansing M. ^{[1
]}

Patil, Jayavant D. ^{[1
]}

Pore, Dattaprasad M. ^{[1
]}

机构：

[1] Shivaji Univ, Dept Chem, Kolhapur 416004, Maharashtra, India

来源：

SYNTHETIC COMMUNICATIONS | 2014年 / 44卷 / 23期

关键词：

sulfamic acid; Cost-effective; 1,2-diaminobenzene; isatins; indoloquinoxalines; QUINOXALINE DERIVATIVES; RECENT PROGRESS; LIBRARIES; ELECTRON;

D O I：

10.1080/00397911.2014.943345

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A simple, cost-effective method for synthesis of indoloquinoxalines from isatin and o-phenylenediamine employing a catalytic amount of sulfamic acid at ambient temperature is reported. Moreover, the method is applicable for a variety of isatins, ninhydrin, 4-hydroxynaphthaquinone, and 1,2-diketones. The key features of the protocol include rapid reactions with good yields, simple workup procedure, and easy isolation of products.

引用

页码：3384 / 3391

页数：8

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