Synthesis, characterization, and crystal structures of the osmium triflate complexes Cp*Os(P-P)(OTf) and [Cp*Os(P-P)(OH2)][OTf]

Julia L. Brumaghim, Christopher L. Gross, Gregory S. Girolami

Research output: Contribution to journalArticle

Abstract

Treatment of the osmium(II) hydrides Cp*Os(P-P)H (Cp* = pentamethylcyclopentadienyl) with methyl trifluoromethanesulfonate (MeOTf) affords osmium(II) triflate complexes with the general formula Cp*Os(P-P)(OTf), where P-P = bis(dimethylphosphino)methane (dmpm), bis(diphenylphosphino)methane (dppm), or 1,2-bis(dimethylphosphino)ethane (dmpe). The aqua complexes [Cp*Os(dmpm)(OH2)][OTf] and [Cp*Os(dppm)(OH2)][OTf] are synthesized by the addition of water to the corresponding anhydrous triflates. The complexes Cp*Os(dppm)(OTf) and [Cp*Os(dmpm)(OH2)][OTf] have been examined crystallographically, and all compounds have been characterized by NMR spectroscopy.

Original languageEnglish (US)
Pages (from-to)3874-3880
Number of pages7
JournalJournal of Organometallic Chemistry
Volume691
Issue number18
DOIs
StatePublished - Sep 1 2006

Fingerprint

Osmium
osmium
Methane
methane
Crystal structure
crystal structure
synthesis
Ethane
Hydrides
ethane
Nuclear magnetic resonance spectroscopy
hydrides
Magnetic Resonance Spectroscopy
Hydrogen
nuclear magnetic resonance
Water
water
spectroscopy

Keywords

  • Alkylation
  • Aquo
  • Crystal structure
  • Hydride
  • NMR
  • Osmium
  • Triflate
  • Trifluoromethanesulfonate

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Synthesis, characterization, and crystal structures of the osmium triflate complexes Cp*Os(P-P)(OTf) and [Cp*Os(P-P)(OH2)][OTf]. / Brumaghim, Julia L.; Gross, Christopher L.; Girolami, Gregory S.

In: Journal of Organometallic Chemistry, Vol. 691, No. 18, 01.09.2006, p. 3874-3880.

Research output: Contribution to journalArticle

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abstract = "Treatment of the osmium(II) hydrides Cp*Os(P-P)H (Cp* = pentamethylcyclopentadienyl) with methyl trifluoromethanesulfonate (MeOTf) affords osmium(II) triflate complexes with the general formula Cp*Os(P-P)(OTf), where P-P = bis(dimethylphosphino)methane (dmpm), bis(diphenylphosphino)methane (dppm), or 1,2-bis(dimethylphosphino)ethane (dmpe). The aqua complexes [Cp*Os(dmpm)(OH2)][OTf] and [Cp*Os(dppm)(OH2)][OTf] are synthesized by the addition of water to the corresponding anhydrous triflates. The complexes Cp*Os(dppm)(OTf) and [Cp*Os(dmpm)(OH2)][OTf] have been examined crystallographically, and all compounds have been characterized by NMR spectroscopy.",
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T1 - Synthesis, characterization, and crystal structures of the osmium triflate complexes Cp*Os(P-P)(OTf) and [Cp*Os(P-P)(OH2)][OTf]

AU - Brumaghim, Julia L.

AU - Gross, Christopher L.

AU - Girolami, Gregory S.

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N2 - Treatment of the osmium(II) hydrides Cp*Os(P-P)H (Cp* = pentamethylcyclopentadienyl) with methyl trifluoromethanesulfonate (MeOTf) affords osmium(II) triflate complexes with the general formula Cp*Os(P-P)(OTf), where P-P = bis(dimethylphosphino)methane (dmpm), bis(diphenylphosphino)methane (dppm), or 1,2-bis(dimethylphosphino)ethane (dmpe). The aqua complexes [Cp*Os(dmpm)(OH2)][OTf] and [Cp*Os(dppm)(OH2)][OTf] are synthesized by the addition of water to the corresponding anhydrous triflates. The complexes Cp*Os(dppm)(OTf) and [Cp*Os(dmpm)(OH2)][OTf] have been examined crystallographically, and all compounds have been characterized by NMR spectroscopy.

AB - Treatment of the osmium(II) hydrides Cp*Os(P-P)H (Cp* = pentamethylcyclopentadienyl) with methyl trifluoromethanesulfonate (MeOTf) affords osmium(II) triflate complexes with the general formula Cp*Os(P-P)(OTf), where P-P = bis(dimethylphosphino)methane (dmpm), bis(diphenylphosphino)methane (dppm), or 1,2-bis(dimethylphosphino)ethane (dmpe). The aqua complexes [Cp*Os(dmpm)(OH2)][OTf] and [Cp*Os(dppm)(OH2)][OTf] are synthesized by the addition of water to the corresponding anhydrous triflates. The complexes Cp*Os(dppm)(OTf) and [Cp*Os(dmpm)(OH2)][OTf] have been examined crystallographically, and all compounds have been characterized by NMR spectroscopy.

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KW - Crystal structure

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KW - NMR

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KW - Trifluoromethanesulfonate

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