Sulfuric Acid Functionalized Silica-Coated Magnetic Nanoparticles: Preparation and Application in Synthesis of Mono-, Di- and Tri[bis(6-aminopyrimidinyl)methanes]

被引：22
|
作者：
Karimi, Ali Reza [1 ]
Dalirnasab, Zeinab [1 ]
Karimi, Marzie [1 ]
Bagherian, Fatemeh [1 ]
机构：
[1] Arak Univ, Fac Sci, Dept Chem, Arak 3815688349, Iran
来源：
SYNTHESIS-STUTTGART | 2013年 / 45卷 / 23期
关键词：
nanostructures; catalysis; condensation; aldehydes; heterocycles; ultrasound; EFFICIENT; URACILS; DERIVATIVES; CATALYST; RING;
D O I：
10.1055/s-0033-1339761
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Sulfuric acid functionalized silica-coated magnetic nanoparticles (SSA-MNPs) were prepared by a simple method and evaluated as efficient catalysts for the condensation reaction of 6-amino-1,3-dimethyluracil with mono-, di-, or trialdehydes to give the corresponding mono-, di- and tri[bis(6-aminopyrimidinyl)methanes]. The catalyst was simply recycled by the use of an external magnetic field and could be reused five times without significant loss of activity or mass.
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收藏
页码：3300 / 3304
页数：5
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