Cleavage of hydrazine and 1,1-dimethylhydrazine by dinuclear tantalum hydrides:: Formation of imides, nitrides, and N,N-dimethylamine

被引：28

作者：

Shaver, MP ^{[1
]}

Fryzuk, MD ^{[1
]}

机构：

[1] Univ British Columbia, Dept Chem, Vancouver, BC V6T 1Z1, Canada

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2005年 / 127卷 / 02期

关键词：

D O I：

10.1021/ja043732q

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The complexes (RPh[NPN]Ta)2(μ-H)4 (RPh[NPN] = RP(CH2SiMe2NPh)2) activate molecular nitrogen to give (RPh[NPN]Ta)2(μ-η1-η2-N2)(μ-H)2; however, addition of hydrazine to (CyPh[NPN]Ta)2(μ-H)4 promotes cleavage of the N-N bond and N-H activation to give the bridging bisimide complex (CyPh[NPN]Ta)2(μ-H)2(μ-NH)2. Substitution of the phosphine substituent from cyclohexyl to phenyl allows for characterization of (PhPh[NPN]Ta)2(μ-H)2(μ-NH)2 crystallographically. Addition of the substituted hydrazine Me2NNH2 results in formation of a mono(nitride) complex, (RPh[NPN]Ta)2(μ-H)3(μ-N). The N-N bond has again been cleaved, but the second nitrogen atom has been functionalized and ejected as Me2NH. Copyright © 2005 American Chemical Society.

引用

页码：500 / 501

页数：2

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