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- Title
Novel Ionic Tagged Amine Anchored on Magnetic Nanoparticles: An Efficient and Magnetically Recyclable Catalyst for Phospha-Michael Addition.
- Authors
Li, Zhifeng; Ni, Yuxiang; Qiu, Fangli; Ying, Anguo; Xu, Songlin; Wang, Yunlong
- Abstract
Ionic tagged propyl amine immobilized on magnetic nanoparticles (MNPs) was synthesized and fully characterized. The novel catalyst (MNPs@PA-IL) was applied in phospha-Michael addition and gave the desired β-phosphonomalonates in good yields. The MNPs supported catalyst with ionic tag could be readily recovered from the reaction mixture using an external magnet. Compared with ionic-free counterpart (MNPs@PA), MNPs@PA-IL present better catalytic activity. The proposed mechanism regarding the MNPs@PA-IL catalyzed phospha-Michael reaction was also discussed. Graphical Abstract: [Figure not available: see fulltext.]
- Subjects
MAGNETIC nanoparticles; AMINES; CATALYSTS recycling; MICHAEL reaction; CATALYTIC activity; MIXTURES
- Publication
Catalysis Letters, 2014, Vol 144, Issue 11, p1810
- ISSN
1011-372X
- Publication type
Article
- DOI
10.1007/s10562-014-1342-1