Yb(OTf)3 Catalyzed Knoevenagel Reaction of Me-thylene Compounds with Aldehydes under Solvent-free Condition

Chin. J. Org. Chem. ›› 2005, Vol. 25 ›› Issue (08): 964-968. Previous Articles Next Articles

Original Articles

无溶剂条件下Yb(OTf)₃催化的亚甲基化合物和醛的Knoevenagel反应

王利民*，盛佳，张亮，韩建伟，樊兆玉，田禾

(华东理工大学精细化工研究所华东理工大学结构可控先进功能材料教育部重点实验室上海 200237)

收稿日期:2004-07-09 修回日期:2005-03-05 发布日期:2005-07-30
通讯作者: 王利民

Yb(OTf)₃ Catalyzed Knoevenagel Reaction of Me-thylene Compounds with Aldehydes under Solvent-free Condition

WANG Li-Min*,SHENG Jia,ZHANG Liang
HAN Jian-Wei,FAN Zhao-Yu,TIAN He

(Institute of Fine Chemicals, Laboratory for Advanced Materials, East China University of Science and Technology,
Shanghai 200237)

Received:2004-07-09 Revised:2005-03-05 Published:2005-07-30
Contact: WANG Li-Min

Abstract

Yb(OTf)₃ catalyzed efficiently Knoevenagel condensation of active methylene compounds with various aldehydes under solvent free condition was described as a method for preparation of substituted olefins. The process is operationally simple, environmentally benign and has excellent yield without any side reactions. Furthermore, the catalyst could be recovered conveniently and reused efficiently.

Key words: solvent-free, Knoevenagel condensation, aldehyde, active methylene compound, Yb(OTf)₃

Cite this article

WANG Li-Min*,SHENG Jia,ZHANG Liang
HAN Jian-Wei,FAN Zhao-Yu,TIAN He. Yb(OTf)₃ Catalyzed Knoevenagel Reaction of Me-thylene Compounds with Aldehydes under Solvent-free Condition[J]. Chin. J. Org. Chem., 2005, 25(08): 964-968.

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无溶剂条件下Yb(OTf)₃催化的亚甲基化合物和醛的Knoevenagel反应

Yb(OTf)₃ Catalyzed Knoevenagel Reaction of Me-thylene Compounds with Aldehydes under Solvent-free Condition

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无溶剂条件下Yb(OTf)3催化的亚甲基化合物和醛的Knoevenagel反应