Phosphabicyclononane-containing Ru complexes: Efficient pre-catalysts for olefin metathesis reactions

被引:37
作者
Boeda, Fabien [1 ]
Clavier, Herve [1 ]
Jordaan, Margaritha [2 ]
Meyer, Wolfgang H. [2 ]
Nolan, Steven P. [1 ]
机构
[1] Inst Chem Res Catalonia ICIQ, Tarragona 43007, Spain
[2] Sasol Technol Pty Ltd, R&D Div, ZA-1947 Sasolburg, South Africa
关键词
D O I
10.1021/jo702169p
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
[GRAPHICS] The catalytic performances of three Phosphabicyclononane (Phoban)-containing ruthenium-based pre-catalysts have been evaluated for metathesis transformations. A wide screening of substrates in ring-closing metathesis reactions reveals the greater efficiency of pre-catalyst 4. Comparison of the catalytic activities of 4 with Grubbs' first-generation pre-catalyst illustrates the key role of the Phoban ligand. Additionally, a comparative study of three Phoban-containing pre-catalysts has been conducted for the self-metathesis of I-octene at low catalyst loading (25-100 ppm).
引用
收藏
页码:259 / 263
页数:5
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