Organopalladium(IV) and platinum(IV) complexes containing the bis(pyrazol-1-yl)borate ligand.: Structures of PtMe3{(pz)2BH2}(py) (py = pyridine) and Pt(mq)Me2{(pz)2BH2} (mq=8-methylquinolinyl) and detection of a neutral organopalladium(IV) phosphine complex

被引：11

作者：

Canty, AJ ^{[1
]}

Patel, J

Pfeffer, M

Skelton, BW

White, AH

机构：

[1] Univ Tasmania, Sch Chem, Hobart, Tas 7001, Australia

[2] CNRS, UMR 7513, Lab Met Mediated Synth, F-67000 Strasbourg, France

[3] Univ Western Australia, Dept Chem, Nedlands, WA 6907, Australia

来源：

INORGANICA CHIMICA ACTA | 2002年 / 327卷

基金：

澳大利亚研究理事会;

关键词：

organoplatinum; intramolecular coordination; oxidative addition; crystal structures; isostructural complexes; palladium(IV) phosphine; bis(pyrazol-1-yl)borate;

D O I：

10.1016/S0020-1693(01)00683-1

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Neutral palladium(IV) complexes containing the bis(pyrazol-1-yl)borate ligand, PdMe3{(pz)(2)BH2}(L) [L = py-d(5) (4), PMe2Ph (6)], are generated in solution by oxidative addition of iodomethane to [PdMe2{(pz)(2)BH2}] at -70 degreesC followed by addition of L; the Pd(IV) complexes reductively eliminate ethane above 0 degreesC. Stable Pt(IV) analogues of 4 and 6 have been isolated, and comparison of NMR spectra for Pd(IV) and Pt(M species support structural assignments for the unstable Pd(IV) complexes. The complex PtMe3{(pz)(2)BH2}(py) (1a) has been characterised by X-ray diffraction, together with Pt(mq)Me-2{(pz)(2)]BH2} (2) (mq = 8-methylquinolinyl); both complexes show a fac-PtC3 configuration for Pt(IV), and for 2 the Pt-N distances are similar to0.03 Angstrom shorter than in the isostructural Pd(IV) complex. (C) 2002 Elsevier Science B.V. All rights reserved.

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页码：20 / 25

页数：6

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