A convenient ultrasound-promoted regioselective synthesis of fused polycyclic 4-aryl-3-methyl-4,7-dihydro-1H-pyrazolo[3,4-b]pyridines

被引：70
|
作者：
Nikpassand, Mohammad [1 ]
Mamaghani, Manouchehr [1 ]
Shirini, Farhad [1 ]
Tabatabaeian, Khalil [1 ]
机构：
[1] Univ Guilan, Dept Chem, Fac Sci, Rasht, Iran
来源：
ULTRASONICS SONOCHEMISTRY | 2010年 / 17卷 / 02期
关键词：
Regioselective; Ultrasound; Pyrazolopyridines; Multicomponent; ONE-POT SYNTHESIS; SOLVENT-FREE; 3-COMPONENT SYNTHESIS; EFFICIENT SYNTHESIS; DERIVATIVES; OXIDATION;
D O I：
10.1016/j.ultsonch.2009.08.001
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Fused polycyclic 4-aryl-3-methyl-4,7-dihydro-1H-pyrazolo[3,4-b]pyridines were obtained in a three-component regioselective reaction of 5-amino-3-methyl-1H-pyrazole, 2H-indene-1,3-dione and arylaldehydes in ethanol under ultrasound irradiation. This rapid method produced the products in short reaction times (4-5 min) and excellent yields (88-97%). (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：301 / 305
页数：5
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