Synthesis, characterization and catalytic property of chiral oxo-vanadium (+)-pseudoephedrine complex supported on magnetic nanoparticles Fe3O4 in the cyanosilylation of carbonyl compounds

被引：14
|
作者：
Rostami, Amin [1 ,2 ]
Atashkar, Bahareh [1 ]
机构：
[1] Univ Kurdistan, Fac Sci, Dept Chem, Sanandaj, Iran
[2] Univ Kurdistan, Res Ctr Nanotechnol, Sanandaj, Iran
来源：
CATALYSIS COMMUNICATIONS | 2015年 / 58卷
关键词：
Carbonyl compounds; TMSCN; Oxovanadium-(+)-pseudoephedrine complex; Magnetically catalyst; ENANTIOSELECTIVE CYANOSILYLATION; KNOEVENAGEL CONDENSATION; SALEN COMPLEX; ALDEHYDES; EFFICIENT; OXIDATION; ALCOHOLS; SILICA;
D O I：
10.1016/j.catcom.2014.08.029
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Vanadium complex of pseudoephedrine immobilized on magnetic nanoparticle Fe3O4(Pseudoephedrine) @MNPs] was prepared and characterized by UV-vis, SEM, XRD, TGA, EDX, FT-IR, AGFM and elemental analysis techniques. VO(Pseudoephedrine)@MNPs was found to catalyze the cyanosilylation of carbonyl compounds using TMSCN in good yields with 8-25% enantiomeric excesses under solvent-free conditions at room temperature. The catalyst was recycled up to 15 times with little loss of activity and enantioselectivity. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：80 / 84
页数：5
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