Synthesis, Crystal Structures and their Utilities in Tishchenko Reaction of N,O-Bidentate Aluminum Compounds

被引：4
|
作者：
Han, Hong-Fei [1 ,2 ]
Zhang, Shao-Feng [1 ]
Guo, Zhi-Qiang [3 ]
Tong, Hong-Bo [3 ]
Wei, Xue-Hong [1 ]
机构：
[1] Shanxi Univ, Sch Chem & Chem Engn, Taiyuan 030006, Peoples R China
[2] Taiyuan Normal Univ, Dept Chem, Taiyuan 030031, Peoples R China
[3] Shanxi Univ, Inst Appl Chem, Taiyuan 030006, Peoples R China
来源：
JOURNAL OF CLUSTER SCIENCE | 2015年 / 26卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Pyridyl functionalized alkoxy aluminum compounds; Synthesis; Crystal structure; Utility; Tishchenko reaction; SULFATED MESOPOROUS ALUMINA; BIDENTATE LIGANDS; SELECTIVE DIMERIZATION; ATOM ECONOMY; ALDEHYDES; CATALYST; ESTERS; COORDINATION;
D O I：
10.1007/s10876-015-0890-x
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Deprotonolysis of the N,O-bidentate pyridyl functionalized alkoxy ligands, 1,1-dimethyl-2-(pyridin-2-yl)ethanol (L (1) H), 1-phenyl-2-(pyridin-2-yl)ethanol (L (2) H) and 1,1-diphenyl-2-(pyridin-2-yl)ethanol (L (3) H), with 1 equiv of AlMe3 gave the corresponding dimeric metal-monoalkyl compounds [L (1) AlMe2](2) (1), [L (2) AlMe2](2) (2), and [L (3) AlMe2](2) (3), respectively. Compounds 1-3 were characterized by H-1 and C-13 NMR spectroscopy analysis, and the molecular structures of 1 and 2 were further confirmed by X-ray diffraction analysis. In the presence of (i) PrOH, aluminum compounds 1-2 exhibited excellent catalytic activity for the solvent-free Tishchenko reaction under mild conditions. In addition, the catalyst 3 can be easily isolated and recycled three times without a significant decrease in activity.
引用
收藏
页码：1971 / 1982
页数：12
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