Please use this identifier to cite or link to this item:
https://doi.org/10.1002/asia.200600060
DC Field | Value | |
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dc.title | Methylation of [Pt2(μ-SR)(μ-S)(PPh3) 4]: En route to mixed-thiolato bridged complexes | |
dc.contributor.author | Chong, S.H. | |
dc.contributor.author | Koh, L.L. | |
dc.contributor.author | Henderson, W. | |
dc.contributor.author | Hor, T.S.A. | |
dc.date.accessioned | 2014-10-16T08:33:32Z | |
dc.date.available | 2014-10-16T08:33:32Z | |
dc.date.issued | 2006 | |
dc.identifier.citation | Chong, S.H., Koh, L.L., Henderson, W., Hor, T.S.A. (2006). Methylation of [Pt2(μ-SR)(μ-S)(PPh3) 4]: En route to mixed-thiolato bridged complexes. Chemistry - An Asian Journal 1 (1-2) : 264-272. ScholarBank@NUS Repository. https://doi.org/10.1002/asia.200600060 | |
dc.identifier.issn | 18614728 | |
dc.identifier.uri | http://scholarbank.nus.edu.sg/handle/10635/94222 | |
dc.description.abstract | Sequential and independent alkylation of [Pt2(μ-S) 2(PPh3)4] by RX followed by methylation with Me2SO4 led to the first successful isolation of novel diplatinum complexes [Pt2(μ-SR)(μ-SCH3)(PPh 3)4](PF6)2 (3) (R = CH 2C6H5 (a), CH2CHCH2 (b), C5H10CO2CH2CH3 (c), C2H4CO2-CH2CH3 (d), CH2CH2CN (e), C2H4CH-(O) 2C2H4 (f), and C2H 4SC6H5 (g)) with asymmetric thiolato bridges. The synthetic methodology can tolerate a range of electronically and sterically contrasting thiolate substituents with different chemical functionalities. The X-ray crystal structures of 3a-c, g confirm the unusual heterodialkylation with two different thiolato bridging ligands in a syn-exo conformation. A secondary product [Pt2(μ-SC2H4SC6H 5) (μ-SCH3)(PPh3](PF6) 2 (4), which arises from intramolecular phosphine displacement by the thio pendant at the neighboring SC2H4SC6H 5 bridge, has been trapped and characterized. This is an unusual diplatinum complex with three different bridging thio ligands and three different phosphines. The heteroalkylation is screened in situ by ESI-MS, and the resultant spectral data provide a convenient guide for one-pot syntheses of {M2(SR)(SR′)} from{M2S}. The isolation and X-ray crystal structure of a homoalkylated analogue [Pt2(μ-SCH 3)2(PPh3)4](PF6) 2 (6) is included for comparison. © 2006 Wiley-VCH Verlag GmbH & Co. KGaA. | |
dc.description.uri | http://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1002/asia.200600060 | |
dc.source | Scopus | |
dc.subject | Alkylation | |
dc.subject | Dithiolate | |
dc.subject | Phosphines | |
dc.subject | Platinum | |
dc.subject | Sulfur ligands | |
dc.type | Article | |
dc.contributor.department | CHEMISTRY | |
dc.description.doi | 10.1002/asia.200600060 | |
dc.description.sourcetitle | Chemistry - An Asian Journal | |
dc.description.volume | 1 | |
dc.description.issue | 1-2 | |
dc.description.page | 264-272 | |
dc.identifier.isiut | 000243157500030 | |
Appears in Collections: | Staff Publications |
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