Boric acid catalyzed convenient synthesis of 2-amino-3,5-dicarbonitrile-6-thio-pyridines in aqueous media

被引：79
作者：
Shinde, Pravin V. [1 ]
Sonar, Swapnil S. [1 ]
Shingate, Bapurao B. [1 ]
Shingare, Murlidhar S. [1 ]
机构：
[1] Dr Babasaheb Ambedkar Marathwada Univ, Dept Chem, Aurangabad 431004, Maharashtra, India
来源：
TETRAHEDRON LETTERS | 2010年 / 51卷 / 09期
关键词：
Aldehyde; Malononitrile; Thiophenol; Boric acid; Aqueous media; Ultrasonication; PYRIDINE DICARBONITRILES; 3-COMPONENT SYNTHESIS; MICHAEL REACTIONS; ONE-STEP; ULTRASOUND; LIBRARY; LIGAND;
D O I：
10.1016/j.tetlet.2009.12.146
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A one-pot three-component condensation of all aldehyde, malononitrile, and thiophenol has been achieved by conventional and ultrasound method The reaction has been catalyzed by boric acid in aqueous medium This protocol afforded corresponding 2-amino-3,5-dicarbonitrile-6-thio-pyridines in shorter reaction times and high yields with the green aspects by avoiding toxic catalysts and solvents. (C) 2010 Elsevier Ltd All rights reserved.
引用
收藏
页码：1309 / 1312
页数：4
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