New confacial bioctahedral diplatinum(IV) complexes with 3-aminoalkanethiolate bridges

William Clegg, Núria Duran, Kelly Anne Fraser, Pilar González-Duarte, Joan Sola, Ian C. Taylor

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Abstract

Reaction of [(PtIMe3)4] with the cyclic 3-aminoalkanethiol HSCH(CH2CH2)2NMe, with the acyclic 3-aminoalkanethiol HS(CH2)3NMe2, or with the sodium salt of each of these thiols, under various stoichiometries in organic solvents gave the complexes Na[(PtMe3)2{μ-SCH(CH2CH2) 2NMe}3], [(PtMe3)2{μ-SCH(CH2CH2) 2NHMe}3]I2 and [(PtMe3)2{μ-S(CH2)3NHMe 2}3]X2 (X = l or BPh4). The complexes have been characterized by spectroscopic methods and the structures of two established by single-crystal X-ray diffraction. They consist of face-shared bioctahedral diplatinum(IV) complexes, in which the 3-aminothiolates function as bridging ligands through their sulfur atoms, to give a distorted-octahedral co-ordination of Pt with a fac-PtC3S3 configuration. In Na[(PtMe3)2{μ-SCH(CH2CH2) 2NMe}3]·MeCN the nitrogen atoms of the ligands co-ordinate to the sodium cations to give a highly flattened trigonal-pyramidal geometry. In [(PtMe3)2{μ-S(CH2)3NHMe 2}3][BPh4]2·MeCN the nitrogen atoms are protonated and take no part in co-ordination.
Original languageEnglish
Pages (from-to)3453-3457
JournalJournal of the Chemical Society, Dalton Transactions
Issue number23
DOIs
Publication statusPublished - 1 Dec 1993

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    Clegg, W., Duran, N., Fraser, K. A., González-Duarte, P., Sola, J., & Taylor, I. C. (1993). New confacial bioctahedral diplatinum(IV) complexes with 3-aminoalkanethiolate bridges. Journal of the Chemical Society, Dalton Transactions, (23), 3453-3457. https://doi.org/10.1039/DT9930003453