One-pot oxidative Groebke-Blackburn-Bienayme reaction of alcohols: using bio-supported and magnetically recyclable Fe2O3@cellulose and Fe2O3@cellulose-SO3H nanocomposites for the synthesis of 3-aminoimidazo[1,2-a]pyridines

被引：5
|
作者：
Shaabani, Ahmad [1 ]
Nosrati, Hamed [1 ]
Hezarkhani, Zeinab [1 ]
Afshari, Ronak [1 ]
机构：
[1] Shahid Beheshti Univ, Fac Chem, GC, POB 19396-4716, Tehran, Iran
来源：
MONATSHEFTE FUR CHEMIE | 2018年 / 149卷 / 08期
基金：
美国国家科学基金会;
关键词：
Cellulose; Bio-supported catalyst; Fe2O3@cellulose; Fe2O3@cellulose-SO3H; Magnetite nanoparticles; ONE-STEP SYNTHESIS; 3-COMPONENT SYNTHESIS; AEROBIC OXIDATION; CELLULOSE; DERIVATIVES; NANOPARTICLES; IMIDAZOLE; PYRAZINES; PYRIDINES;
D O I：
10.1007/s00706-018-2182-2
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
One-pot oxidative Groebke-Blackburn-Bienayme three-component reaction has been successfully developed with primary alcohols instead of their corresponding aldehydes in the presence of recyclable Fe2O3@cellulose and Fe2O3@cellulose-SO3H catalysts. In this work, an efficient protocol for the oxidative synthesis of 3-aminoimidazo[1,2-a]pyridines via an alcohol, 2-aminopyridine, and an isocyanide in excellent yields in the presence of a catalytic amount of Fe2O3@cellulose or Fe2O3@cellulose-SO3H as magnetically recoverable heterogeneous catalysts is described. The reaction workup is simple and the catalysts can be easily magnetically separated from the reaction medium and reused in subsequent reactions. [GRAPHICS] .
引用
收藏
页码：1459 / 1467
页数：9
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