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Electrospray mass spectrometric investigation of the reactivity of the sulfide centers in [Pt2(μ-S)2(PPh3)4] towards organic dihalides and the catalytic potential of this complex in the syntheses of organosulfur materials

  • Siew Huay Chong
  • , Antonius Tjindrawan
  • , T S Andy Hor

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

Activity of [Pt2(μ-S)2(PPh3)4] (1) towards 1,4-dichlorobutane, 1,2-dichloroethane, α-α′-dichloro-o-xylene and α-α′-dichloro-m-xylene and the catalytic role of 1 in the syntheses of organosulfur materials was studied by in situ electrospray mass spectroscopy (ESMS). An intermediate, [Pt2(μ-SC2H4S)(PPh3)4][PF6]2 (6) was isolated and characterized by single-crystal X-ray crystallographic diffractometry. In all reactions studied, the {Pt2S2} core is preserved, except for those involving excess NaBH4. Treatment of 6 with excess NaBH4 leads to the formation of mononuclear complex [Pt(η-S2C4H8)(PPh3)].

Original languageEnglish
Pages (from-to)267-277
JournalJournal of Molecular Catalysis A: Chemical
Volume204-205
DOIs
Publication statusPublished - 15 Sept 2003

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