A new three-component coupling reaction of aryl glyoxal, malononitrile, and 4-hydroxy coumarin catalysed by recyclable TiO2 nanoparticles

被引：5
作者：
Khodabakhshi, Saeed [1 ]
Shahamirian, Mozhgan [2 ]
Baghernejad, Mojtaba [1 ]
机构：
[1] Islamic Azad Univ, Gachsaran Branch, Young Researchers & Elite Club, Gachsaran, Iran
[2] Islamic Azad Univ, Sarvestan Branch, Fac Sci, Dept Chem, Sarvestan, Iran
来源：
JOURNAL OF CHEMICAL RESEARCH | 2014年 / 08期
关键词：
aryl glyoxal; pyrano[3,2-c]chromene-5-one; TiO2 nanoparticle catalyst; ONE-POT SYNTHESIS; MULTICOMPONENT REACTIONS; DERIVATIVES; EFFICIENT; KETONES;
D O I：
10.3184/174751914X14050999895192
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Aryl glyoxals reacted with malononitrile and 4-hydroxycoumarin in the presence of a catalytic amount of TiO2 nanoparticles to give a hitherto unknown family of pyranochromenes in up to 80% yield. This new three-component reaction yielded some novel pyrano[3,2-c]chromene-5-ones containing an aroyl substituent. Using a recyclable and safe catalyst along with a green solvent system made the process eco-friendly and economic.
引用
收藏
页码：473 / 476
页数：4
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