Simple and convenient synthetic procedure leading to ruthenium olefin metathesis catalysts bearing the N,N′-bis(mesityl)imidazol-2-ylidene (IMes) ligand

被引:75
作者
Jafarpour, L [1 ]
Nolan, SP [1 ]
机构
[1] Univ New Orleans, Dept Chem, New Orleans, LA 70148 USA
关键词
D O I
10.1021/om000203w
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The highly active olefin metathesis catalyst precursors RuCl2(=CNR')(IMes)(PR3)(2) (R' = Ph, R = Cy (4), R' = CH=CMe2, R = Cpy (5)) can be conveniently synthesized from their phosphine analogues RuCl2(=CHR')(PR3)(2) (R' = Ph, R = Cy (cyclohexyl) (2), R' = CH=CMe2, R = Cpy (cyclopentyl) (3)), imidazolium salts, and a base by a facile procedure. The ligand exchange reaction is performed in a "one-pot" procedure, and an easy workup leads to good yields of 4 and 5.
引用
收藏
页码:2055 / 2057
页数:3
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