Ytterbium(III) perfluorooctanoate catalyzed one-pot, three-component synthesis of fully substituted pyrazoles under solvent-free conditions

被引：49
|
作者：
Shen, Li [1 ]
Cao, Song [1 ]
Liu, Nianjin [1 ]
Wu, Jingjing [1 ]
Zhu, Longjie [1 ]
Qian, Xuhong [1 ]
机构：
[1] E China Univ Sci & Technol, Shanghai Key Lab Chem Biol, Ctr Fluorine Chem Technol, Sch Pharm, Shanghai 200237, Peoples R China
来源：
SYNLETT | 2008年 / 09期
关键词：
pyrazole; solvent-free synthesis; three-component synthesis; Yb(PFO)(3); catalyst;
D O I：
10.1055/s-2008-1072766
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A convenient one-pot synthesis of fully substituted pyrazoles via three-component condensations of phenylhydrazine, aldehydes, and 1,3-dicarbonyl compounds using ytterbium perfluorooctanoate [Yb(PFO)(3)] as catalyst under solvent-free conditions is described. The reusable catalyst can be easily prepared and was efficient for the reaction. A possible mechanism is suggested.
引用
收藏
页码：1341 / 1344
页数：4
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