Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jorganchem.2007.07.010
DC FieldValue
dc.titleTuning the sulfur-heterometal interaction in organolead(IV) complexes of [Pt2(μ-S)2(PPh3)4]
dc.contributor.authorPham, K.
dc.contributor.authorHenderson, W.
dc.contributor.authorNicholson, B.K.
dc.contributor.authorHor, T.S.A.
dc.date.accessioned2014-10-16T08:46:55Z
dc.date.available2014-10-16T08:46:55Z
dc.date.issued2007-10-15
dc.identifier.citationPham, K., Henderson, W., Nicholson, B.K., Hor, T.S.A. (2007-10-15). Tuning the sulfur-heterometal interaction in organolead(IV) complexes of [Pt2(μ-S)2(PPh3)4]. Journal of Organometallic Chemistry 692 (22) : 4933-4942. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jorganchem.2007.07.010
dc.identifier.issn0022328X
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/95361
dc.description.abstractReactions of [Pt2(μ-S)2(PPh3)4] with Ph3PbCl, Ph2PbI2, Ph2PbBr2 and Me3PbOAc result in the formation of bright yellow to orange solutions containing the cations [Pt2(μ-S)2(PPh3)4PbR3]+ (R3 = Ph3, Ph2I, Ph2Br, Me3) isolated as PF6 - or BPh4 - salts. In the case of the Me3Pb and Et3Pb systems, a prolonged reaction time results in formation of the alkylated species [Pt2(μ-S)(μ-SR)(PPh3)4]+ (R = Me, Et). X-ray structure determinations on [Pt2(μ-S)2(PPh3)4PbMe3]PF6 and [Pt2(μ-S)2(PPh3)4PbPh2I]PF6 have been carried out, revealing different coordination modes. In the Me3Pb complex, the (four-coordinate) lead atom binds to a single sulfur atom, while in the Ph2PbI adduct coordination of both sulfurs results in a five-coordinate lead centre. These differences are related to the electron density on the lead centre, and indicate that the interaction of the heterometal centre with the {Pt2S2} metalloligand core can be tuned by variation of the heteroatom substituents. The species [Pt2(μ-S)2(PPh3)4PbR3]+ display differing fragmentation pathways in their ESI mass spectra, following initial loss of PPh3 in all cases; for R = Ph, loss of PbPh2 occurs, yielding [Pt2(μ-S)2(PPh3)3Ph]+, while for R = Me, reductive elimination of ethane gives [Pt2(μ-S)2(PPh3)3PbMe]+, which is followed by loss of CH4. © 2007 Elsevier B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.jorganchem.2007.07.010
dc.sourceScopus
dc.subjectCrystal structures
dc.subjectElectrospray mass spectrometry
dc.subjectLead complexes
dc.subjectPlatinum complexes
dc.subjectSulfide ligands
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1016/j.jorganchem.2007.07.010
dc.description.sourcetitleJournal of Organometallic Chemistry
dc.description.volume692
dc.description.issue22
dc.description.page4933-4942
dc.description.codenJORCA
dc.identifier.isiut000250741200017
Appears in Collections:Staff Publications

Show simple item record
Files in This Item:
There are no files associated with this item.

SCOPUSTM   
Citations

12
checked on Dec 6, 2021

WEB OF SCIENCETM
Citations

11
checked on Dec 6, 2021

Page view(s)

89
checked on Dec 2, 2021

Google ScholarTM

Check

Altmetric


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.