Highly Active Ruthenium Metathesis Catalysts Exhibiting Unprecedented Activity and Z-Selectivity

被引：144

作者：

Rosebrugh, Lauren E. ^{[1
]}

Herbert, Myles B. ^{[1
]}

Marx, Vanessa M. ^{[1
]}

Keitz, Benjamin K. ^{[1
]}

Grubbs, Robert H. ^{[1
]}

机构：

[1] CALTECH, Div Chem & Chem Engn, Arnold & Mabel Beckman Lab Chem Synth, Pasadena, CA 91125 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2013年 / 135卷 / 04期

基金：

美国国家科学基金会; 加拿大自然科学与工程研究理事会;

关键词：

RING-CLOSING METATHESIS; OLEFIN-METATHESIS; ALKYLIDENE COMPLEXES; NATURAL-PRODUCTS; POLYMERIZATION; MOLYBDENUM;

D O I：

10.1021/ja311916m

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel chelated ruthenium-based metathesis catalyst bearing an N-2,6-diisopropylphenyl group is reported and displays near-perfect selectivity for the Z-olefin (>95%), as well as unparalleled TONs of up to 7400, in a variety of homodimerization and industrially relevant metathesis reactions. This derivative and other new catalytically active species were synthesized using an improved method employing sodium carboxylates to induce the salt metathesis and C-H activation of these chelated complexes. All of these new ruthenium-based catalysts are highly Z-selective in the homodimerization of terminal olefins.

引用

页码：1276 / 1279

页数：4

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