Synthetic, structural and reaction chemistry of transition metal complexes containing the mesitylborylene ligand

被引：28

作者：

Coombs, DL ^{[1
]}

Aldridge, S ^{[1
]}

Jones, C ^{[1
]}

机构：

[1] Cardiff Univ, Dept Chem, Cardiff CF10 3TB, S Glam, Wales

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 2002年 / 20期

关键词：

D O I：

10.1039/b206348b

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The synthesis, spectroscopic and structural characterization of the bromo-boryl complexes (eta(5)-C(5)R(4)R')Fe(CO)(2)-B(2,4,6-Me(3)C(6)H(2))Br (R = R' = H, 2; R = H, R' = Me, 3; R = R' = Me, 4) are reported. These are shown to be versatile substrates for the synthesis of both asymmetric boryl complexes [e. g. (eta(5)-C(5)H(5))Fe(CO)(2)B(2,4,6-Me(3)C(6)H(2))OC(6)H(4)(t)Bu-4, 6], and bridging borylene complexes {e.g. [(eta(5)-C(5)H(4)R)Fe(CO)(2)](2) B(2,4,6-Me(3)C(6)H(2)), R = H, 7; R = Me, 8} via substitution chemistry with retention of the metal-boron bond. Complexes 7 and 8 are the first reported examples of structurally characterized bridging borylene complexes without a supporting M-M bond. Photolytically induced CO loss from [(eta(5)-C(5)H(5))Fe(CO)(2)](2)B(2,4,6-Me(3)C(6)H(2)) yields the complex [(eta(5)-C(5)H(5))Fe(CO)](2)(mu(2)-CO)[mu(2)-B(2,4,6-Me(3)C(6)H(2))] (11), which features a supported bridging borylene ligand.

引用

页码：3851 / 3858

页数：8

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