Rare earth perfluorooctanoate [RE(PFO)3] catalyzed one-pot synthesis of benzopyran derivatives

被引：179
作者：
Wang, LM
Shao, JH
Tian, H
Wang, YH
Liu, B
机构：
[1] E China Univ Sci & Technol, Adv Mat Lab, Inst Fine Chem, Shanghai 200237, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Organ Chem, Key Lab Organofluorine Chem, Shanghai 200032, Peoples R China
来源：
JOURNAL OF FLUORINE CHEMISTRY | 2006年 / 127卷 / 01期
关键词：
rare earth perfluorooctanoate [RE(PFO)(3); aldehydes; dimedone; malononitrile; 4H-benzopyran derivatives;
D O I：
10.1016/j.jfluchem.2005.10.004
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Rare earth perfluorooctanoate [RE(PFO)(3)] catalyzes facile condensation of dimedone, aldehydes and malononitrile under mild conditions to afford the corresponding 5-oxo-5,6,7,8-tetrahydro-4H-benzo-[b]-pyran derivatives in good to high yields. The catalyst can be easy to prepare, stable and storable, easily recycled and reused for several cycles with consistent activity. (C) 2005 Elsevier B.V. All rights reserved.
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收藏
页码：97 / 100
页数：4
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