New five-coordinate Ru(II) phosphoramidite complexes and their catalytic activity in propargylic amination reactions

被引：20
作者：
Widaman, Andria K. [1 ]
Rath, Nigam P. [1 ,2 ]
Bauer, Eike B. [1 ]
机构：
[1] Univ Missouri, Dept Chem & Biochem, St Louis, MO 63121 USA
[2] Univ Missouri, Ctr Nanosci, St Louis, MO 63121 USA
来源：
NEW JOURNAL OF CHEMISTRY | 2011年 / 35卷 / 11期
基金：
美国国家科学基金会;
关键词：
SUBSTITUTION-REACTIONS; CHIRAL PHOSPHORAMIDITE; ALLENYLIDENE COMPLEXES; ALLYLIC SUBSTITUTION; CARBENIUM IONS; ESTERS; ALCOHOLS; LIGANDS; DERIVATIVES; CYCLIZATION;
D O I：
10.1039/c1nj20520j
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The first five-coordinate, square-pyramidal ruthenium complexes of the general formula [RuCl2(PPh3)(2)L] have been prepared, where L is a phosphoramidite ligand. The new complexes were employed as catalysts for the amination reactions of propargylic esters (18 h, at room temperature or 45 degrees C, Cs2CO3) to give propargylic amines in isolated yields up to 94%.
引用
收藏
页码：2427 / 2434
页数：8
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