Issue 11, 1986

Some attempts to prepare five-co-ordinated gold(III) complexes. Crystal and molecular structures of [Au(C6H4CH2NMe2-2)(phen)(PPh3)][BF4]2·CH2Cl2, [Au(C6H4CH2NMe2-2)(NC9H6O)]BF4, and [Au(C6H4CH2NMe2-2)(H2NC6H4S)]ClO4

Abstract

Complexes [Au(dmp)(phen)]X2[dmp = 2-(dimethylaminomethyl)phenyl, phen = 1,10-phenanthroline, X = BF4 or ClO4] react (i) with PR3(R = Ph or C6H4OMe-p)(1:1) to give the five-co-ordinated complexes [Au(dmp)(phen)(PR3)][BF4]2, (ii) with KCN (1:1) to give [Au(dmp)(CN)(phen)]BF4, and (iii) with KCN and 1,2-bis(diphenylphosphino)ethane (dppe) to give [Au(dmp)(CN)(dppe)]ClO4, which in turn reacts with [AuCl(tht)](tht = tetrahydrothiophene) to form the gold(I)–gold(III) complex [Au(dmp)(CN)(dppe)AuCl]ClO4. Complexes [Au(dmp)(py)2]X2(py = pyridine) react with 8-hydroxyquinoline (NC9H6OH) or 2-aminothiophenol (H2NC6H4SH) to form [A[graphic omitted])]BF4 or [A[graphic omitted])]ClO4 respectively; the crystal structures of these latter complexes show square-planar co-ordination of the gold atom with the phenyl group of dmp trans to oxygen or nitrogen respectively. The crystal structure of [Au(dmp)(phen)(PPh3)][BF4]2·CH2Cl2 shows a distorted square-pyramidal co-ordination, with the basal plane containing Au and the donor atoms of dmp, PPh3, and one phen N atom; the other N atom occupies a more distant axial position [Au–N 2.151(12), 2.154(8), and 2.627(10)Å].

Article information

Article type
Paper

J. Chem. Soc., Dalton Trans., 1986, 2361-2366

Some attempts to prepare five-co-ordinated gold(III) complexes. Crystal and molecular structures of [Au(C6H4CH2NMe2-2)(phen)(PPh3)][BF4]2·CH2Cl2, [Au(C6H4CH2NMe2-2)(NC9H6O)]BF4, and [Au(C6H4CH2NMe2-2)(H2NC6H4S)]ClO4

J. Vicente, M. T. Chicote, M. D. Bermúdez, P. G. Jones, C. Fittschen and G. M. Sheldrick, J. Chem. Soc., Dalton Trans., 1986, 2361 DOI: 10.1039/DT9860002361

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