Synthesis and crystal structures of three amidinatoaluminum compounds and their catalytic behavior in the Tishchenko reaction. (18th April 2015)

• Record Type: Journal Article
• Authors: Zhang, Shaofeng; Han, Hongfei; Guo, Zhiqiang; Tong, Hongbo; Wei, Xuehong
• Is Part Of: Polyhedron. Volume 90(2015)
• Page Start: 118
• Page End: 122
• Publication Date: 2015-04-18
• Subjects: Amidinatoaluminum compound -- Oxygen -- Catalysis -- Tishchenko reaction -- Insertion reaction; Chemistry, Inorganic -- Periodicals; Chimie inorganique -- Périodiques; Organometaalverbindingen; Anorganische chemie; 546.05
• DOI: 10.1016/j.poly.2015.01.045
• Languages: English
• ISSNs: 0277-5387

Abstract

Graphical abstract: Three methyl(methoxide) aluminum amidinates were prepared by insertion reaction of oxygen with corresponding aluminum amidinate. Using amidinatoaluminum compounds as catalyst for the Tishchenko reaction under mild conditions give high yield of esters. Abstract: Three amidinatoaluminum compounds, [{MeC(NCy)2 }AlMe(μ-OMe)]2 (1 ), [{(PhN)MeC(NCy)}AlMe(μ-OMe)]2 (2 ) and [{(PhN)MeC(N t Bu)}AlMe(μ-OMe)]2 (3 ), were prepared by the insertion reaction of oxygen with the corresponding aluminum amidinate in high yield and characterized by 1 H and 13 C NMR spectra and single crystal X-ray diffraction analysis.1 –3 were used as pre-catalysts to catalyze the Tishchenko reaction and both2 and3 exhibited good to excellent catalytic activity under mild conditions.