Issue 26, 2009

A dipalladium complex with a single hydroxo bridge and its methylpalladium precursor

Abstract

The reaction of [PdClMe(Me2NCH2CH2NMe2)] with bis(2-pyridylmethyl)amine, bpma, gave the methylpalladium complex [PdMe(bpma)]Cl, which could be converted to the triflate or tetrafluoroborate salt by reaction with AgOTf or AgBF4. Further reaction of [PdMe(bpma)]OTf with B(C6F5)3 or HOTf gave the complex [Pd2(μ-OH)(bpma)2](OTf)3, which contains a bridging hydroxo ligand and no other bridging ligand, and whose structure contains an unexpectedly large Pd–O–Pd angle of 141.2(3)°. This complex acts as a model for complexes proposed to be formed during hydrolysis in aqueous solution of biologically active compounds such as cisplatin.

Graphical abstract: A dipalladium complex with a single hydroxo bridge and its methylpalladium precursor

Supplementary files

Article information

Article type
Paper
Submitted
26 Mar 2009
Accepted
23 Apr 2009
First published
28 May 2009

Dalton Trans., 2009, 5171-5176

A dipalladium complex with a single hydroxo bridge and its methylpalladium precursor

L. Cao, M. C. Jennings and R. J. Puddephatt, Dalton Trans., 2009, 5171 DOI: 10.1039/B906038C

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