Synthesis of Group IV (Zr, Hf)-Group VIII (Fe, Ru) Heterobimetallic Complexes Bearing Metallocenyl Diphosphine Moieties and Their Application to Catalytic Dehydrogenation of Amine-Boranes

被引：42

作者：

Miyazaki, Takamasa ^{[1
]}

Tanabe, Yoshiaki ^{[1
]}

Yuki, Masahiro ^{[1
]}

Miyake, Yoshihiro ^{[1
]}

Nishibayashi, Yoshiaki ^{[1
]}

机构：

[1] Univ Tokyo, Sch Engn, Inst Engn Innovat, Bunkyo Ku, Tokyo 1138656, Japan

来源：

ORGANOMETALLICS | 2011年 / 30卷 / 08期

关键词：

EARLY-TRANSITION-METAL; RAY CRYSTAL-STRUCTURE; HIGHLY POLAR METAL; AMMONIA-BORANE; STRUCTURAL-CHARACTERIZATION; COORDINATED DINITROGEN; BIMETALLIC COMPLEXES; HAFNIUM POLYHYDRIDES; ZIRCONIUM COMPLEXES; HYDROGEN-TRANSFER;

D O I：

10.1021/om200127r

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A series of heterobimetallic complexes, including [(MMe)-Me-1(mu-eta(1)-C5H4PEt2)(2)(MCp)-Cp-2*] (5a, M-1 = Zr, M-2 = Ru; 5b, M-1 = Hf, M-2 = Ru; 5c, M-1 = Zr, = Fe) have been prepared and characterized by X-ray analyses. Dehydrogenation of Me2NH center dot BH3 takes place in the presence of a catalytic amount of these heterobimetallic complexes. Studies on the reaction pathway of the catalytic dehydrogenation of Me2NH center dot BH3 lead us to propose a catalytic cycle where two metal centers cooperatively participate in the catalysis. Here, heterobimetallic hydride species serve as key reaction intermediates.

引用

页码：2394 / 2404

页数：11

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