Synthesis and structural characterization of terminal (diisopropylamino)borylene complexes of group 8 metals

被引：4

作者：

Vidovic, Dragoslav ^{[1
]}

Pierce, Glesni A. ^{[1
]}

Coombs, Natalie D. ^{[1
]}

Kays, Deborah L. ^{[2
]}

Thompson, Amber L. ^{[1
]}

Stasch, Andreas ^{[3
]}

Aldridge, Simon ^{[1
]}

机构：

[1] Univ Oxford, Inorgan Chem Lab, Oxford OX1 3QR, England

[2] Univ Nottingham, Sch Chem, Nottingham NG7 2RD, England

[3] Monash Univ, Sch Chem, Clayton, Vic 3800, Australia

来源：

MAIN GROUP CHEMISTRY | 2010年 / 9卷 / 1-2期

基金：

英国工程与自然科学研究理事会;

关键词：

Boron; borylene; boryl; iron; ruthenium; halide abstraction; COORDINATION CHEMISTRY; HALIDE ABSTRACTION; REACTIVITY; ANALOG; BORON; CO;

D O I：

10.3233/MGC-2010-0005

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The syntheses and first structural characterization of terminal (diisopropylamino)borylene complexes are reported. The B-11 NMR chemical shifts for these novel systems (delta(B) 93.8 and 90.2 for [Cp'Fe(CO)(2)((BNPr2)-Pr-i)][BAr4f], 3, and [CpRu(CO)(2)((BNPr2)-Pr-i)][BAr4f], 4, respectively) are ca. 40 ppm downfield of those measured for the boryl precursor complexes, consistent with observations for related trimethylsilyl and cyclohexylamino substituted compounds. Structurally, the linearity of the M - B - N fragment in each case and the marked shortening of the M - B bonds (cf. the single bonds found in boryl complexes CpFe(CO)(2)((BNPr2)-Pr-i)Cl, 1b, and CpRu(CO)(2)((BNPr2)-Pr-i)Cl, 2) reflect the fact that the M - B bond order in borylene systems 3 and 4 is between one and two.

引用

页码：57 / 65

页数：9

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