An Easy and Efficient Method for the Synthesis of Quinoxalines Using Recyclable and Heterogeneous Nanomagnetic-Supported Acid Catalyst under Solvent-Free Condition

被引：28

作者：

Harsha, Kachigere B. ^{[1
]}

Rangappa, Shobith ^{[3
]}

Preetham, Habbanakuppe D. ^{[2
]}

Swaroop, Toreshettahally R. ^{[4
]}

Gilandoust, Maryam ^{[2
]}

Rakesh, Kodgahally S. ^{[2
]}

Rangappa, Kanchugarakoppal S. ^{[2
]}

机构：

[1] Sarada Vilas Post Grad Ctr, Dept Chem, Mysuru 570004, Karnataka, India

[2] Univ Mysore, DOS Chem, Mysuru 570006, Karnataka, India

[3] Adichunchangiri Inst Mol Med, Nagamangala 571448, Karnataka, India

[4] Univ Mysore, DOS Organ Chem, Mysuru 570006, Karnataka, India

来源：

CHEMISTRYSELECT | 2018年 / 3卷 / 18期

关键词：

alpha-bromoketones; nano-Y-Fe2O3-SO3H; o-PDs; Quinoxalines; C-H FUNCTIONALIZATION; ONE-POT SYNTHESIS; SULFONIC-ACID; DIASTEREOSELECTIVE SYNTHESIS; MICROWAVE IRRADIATION; O-PHENYLENEDIAMINES; POWERFUL CATALYST; MOLECULAR-IODINE; ROOM-TEMPERATURE; DERIVATIVES;

D O I：

10.1002/slct.201800053

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Synthesis of quinoxalines from o-phenylenediamines (o-PDs) with electronically diversified 1,2-diketones and alpha-bromoketones via simple cyclocondensation reaction using an heterogeneous nano-Y-Fe2O3-SO3H catalyst has been reported under solvent free condition. Low cost, easy workup, high yield, operational simplicity, less reaction time, environmentally benign nature and catalyst is magnetically retrievable and can be reused up to five catalytic cycles without significant loss in the product yields are the noteworthy features of this protocol.

引用

页码：5228 / 5232

页数：5

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