Synthesis of Tungsten Imido Alkylidene Complexes that Contain an Electron-Withdrawing lmido Ligand

被引：9

作者：

Axtell, Jonathan C. ^{[1
]}

Schrock, Richard R. ^{[1
]}

Mueller, Peter ^{[1
]}

Smith, Stacey J. ^{[1
]}

Hoyeyda, Amir H. ^{[2
]}

机构：

[1] MIT, Dept Chem 6 331, Cambridge, MA 02139 USA

[2] Boston Coll, Dept Chem, Merkert Chem Ctr, Chestnut Hill, MA 02467 USA

来源：

ORGANOMETALLICS | 2014年 / 33卷 / 19期

基金：

美国国家卫生研究院;

关键词：

OPENING METATHESIS POLYMERIZATION; OLEFIN-METATHESIS; CROSS-METATHESIS; TERT-BUTYLIMIDO; MOLYBDENUM; EFFICIENT; CATALYSTS; INITIATORS; POLYMERS; MO;

D O I：

10.1021/om5006676

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Tungsten NArR alkylidene complexes have been prepared that contain the electron-withdrawing ArR groups 2,4,6-X3C(6)H(2) (ArX3, X = Cl, Br), 2,6-Cl-2-4-CF3C6H2 (ArCl2CF3), and 3,5-(CF3)(2)C6H(3) (Ar(CF3)(2)). Reported complexes include W(NArR)(2)Cl-2(dme) (dme = 1,2-dimethoxyethane), W(NArR)(2)(CH2CMe3)(2), W(NArR)(CHCMe3)(OTf)(2)(dme), and W(NArR)(CHCMe3)(ODBMP)(2) (DBMP = 4-Me-2,6-(CHPh2)C6H2). The W(NArR)(CHCMe3)(ODBMP)(2) complexes were explored as initiators for the polymerization of 2,3-dicarbomethoxynorbornadiene (DCMNBD).

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页码：5342 / 5348

页数：7

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