Facile introduction of bridging MPh2 groups (M=Ge, Sn, Pb) into platinum-pentaruthenium and hexaruthenium carbido carbonyl cluster complexes

Richard D. Adams, Burjor Captain, Wei Fu

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

The reactions of PtRu5(CO)166-C) (1) with Ph3GeH and Ph3SnH afforded the trimetallic cluster complexes PtRu5(CO)15 (μ-GePh2)(μ6-C) (4) and PtRu5 (CO)15(μ-SnPh2)(μ6-C) (5), respectively, in good yields. Both the compounds consist of an octahedral cluster of one platinum and five ruthenium atoms with an interstitial carbido ligand in the center. The bridging CO ligand in 1 was replaced by a bridging GePh2 group in 4 and a bridging SnPh2 group in 5. The lead homologue PtRu5(CO)15 (μ-PbPh2)(μ6-C) (6) was obtained from the reaction of 1 with Pb2Ph6. The reaction of PtRu5(CO)15(PMe2Ph)(μ6-C) (2) with Ph3SnH yielded the phosphine derivative of 5, PtRu5(CO)14(μ-SnPh2) (PMe2Ph)(μ6-C) (7). Compound 7 was obtained in a higher yield from the reaction of 5 with PMe2Ph. The reaction of Ru6(CO)146-C6H6)(μ6-C) (3) with Ph3SnH yielded the new hexaruthenium complex Ru6(CO)13(μ-SnPh2)(η6 -C6H6)(μ6-C) (8) containing a bridging SnPh2 ligand. Evidence for benzene formation in the formation of compound 5 indicates the fate of the phenyl group that was cleaved from the tin atom in that reaction.

Original languageEnglish
Pages (from-to)158-165
Number of pages8
JournalJournal of Organometallic Chemistry
Volume671
Issue number1-2
DOIs
StatePublished - Apr 1 2003
Externally publishedYes

Fingerprint

Carbon Monoxide
Platinum
platinum
Ligands
Atoms
Ruthenium
Tin
ligands
Benzene
phosphine
Lead
Derivatives
phosphines
ruthenium
atoms
tin
interstitials
benzene

Keywords

  • Germanium
  • Lead
  • Platinum
  • Ruthenium
  • Tin
  • Trimetallic cluster

ASJC Scopus subject areas

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

Cite this

Facile introduction of bridging MPh2 groups (M=Ge, Sn, Pb) into platinum-pentaruthenium and hexaruthenium carbido carbonyl cluster complexes. / Adams, Richard D.; Captain, Burjor; Fu, Wei.

In: Journal of Organometallic Chemistry, Vol. 671, No. 1-2, 01.04.2003, p. 158-165.

Research output: Contribution to journalArticle

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title = "Facile introduction of bridging MPh2 groups (M=Ge, Sn, Pb) into platinum-pentaruthenium and hexaruthenium carbido carbonyl cluster complexes",
abstract = "The reactions of PtRu5(CO)16(μ6-C) (1) with Ph3GeH and Ph3SnH afforded the trimetallic cluster complexes PtRu5(CO)15 (μ-GePh2)(μ6-C) (4) and PtRu5 (CO)15(μ-SnPh2)(μ6-C) (5), respectively, in good yields. Both the compounds consist of an octahedral cluster of one platinum and five ruthenium atoms with an interstitial carbido ligand in the center. The bridging CO ligand in 1 was replaced by a bridging GePh2 group in 4 and a bridging SnPh2 group in 5. The lead homologue PtRu5(CO)15 (μ-PbPh2)(μ6-C) (6) was obtained from the reaction of 1 with Pb2Ph6. The reaction of PtRu5(CO)15(PMe2Ph)(μ6-C) (2) with Ph3SnH yielded the phosphine derivative of 5, PtRu5(CO)14(μ-SnPh2) (PMe2Ph)(μ6-C) (7). Compound 7 was obtained in a higher yield from the reaction of 5 with PMe2Ph. The reaction of Ru6(CO)14 (η6-C6H6)(μ6-C) (3) with Ph3SnH yielded the new hexaruthenium complex Ru6(CO)13(μ-SnPh2)(η6 -C6H6)(μ6-C) (8) containing a bridging SnPh2 ligand. Evidence for benzene formation in the formation of compound 5 indicates the fate of the phenyl group that was cleaved from the tin atom in that reaction.",
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T1 - Facile introduction of bridging MPh2 groups (M=Ge, Sn, Pb) into platinum-pentaruthenium and hexaruthenium carbido carbonyl cluster complexes

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N2 - The reactions of PtRu5(CO)16(μ6-C) (1) with Ph3GeH and Ph3SnH afforded the trimetallic cluster complexes PtRu5(CO)15 (μ-GePh2)(μ6-C) (4) and PtRu5 (CO)15(μ-SnPh2)(μ6-C) (5), respectively, in good yields. Both the compounds consist of an octahedral cluster of one platinum and five ruthenium atoms with an interstitial carbido ligand in the center. The bridging CO ligand in 1 was replaced by a bridging GePh2 group in 4 and a bridging SnPh2 group in 5. The lead homologue PtRu5(CO)15 (μ-PbPh2)(μ6-C) (6) was obtained from the reaction of 1 with Pb2Ph6. The reaction of PtRu5(CO)15(PMe2Ph)(μ6-C) (2) with Ph3SnH yielded the phosphine derivative of 5, PtRu5(CO)14(μ-SnPh2) (PMe2Ph)(μ6-C) (7). Compound 7 was obtained in a higher yield from the reaction of 5 with PMe2Ph. The reaction of Ru6(CO)14 (η6-C6H6)(μ6-C) (3) with Ph3SnH yielded the new hexaruthenium complex Ru6(CO)13(μ-SnPh2)(η6 -C6H6)(μ6-C) (8) containing a bridging SnPh2 ligand. Evidence for benzene formation in the formation of compound 5 indicates the fate of the phenyl group that was cleaved from the tin atom in that reaction.

AB - The reactions of PtRu5(CO)16(μ6-C) (1) with Ph3GeH and Ph3SnH afforded the trimetallic cluster complexes PtRu5(CO)15 (μ-GePh2)(μ6-C) (4) and PtRu5 (CO)15(μ-SnPh2)(μ6-C) (5), respectively, in good yields. Both the compounds consist of an octahedral cluster of one platinum and five ruthenium atoms with an interstitial carbido ligand in the center. The bridging CO ligand in 1 was replaced by a bridging GePh2 group in 4 and a bridging SnPh2 group in 5. The lead homologue PtRu5(CO)15 (μ-PbPh2)(μ6-C) (6) was obtained from the reaction of 1 with Pb2Ph6. The reaction of PtRu5(CO)15(PMe2Ph)(μ6-C) (2) with Ph3SnH yielded the phosphine derivative of 5, PtRu5(CO)14(μ-SnPh2) (PMe2Ph)(μ6-C) (7). Compound 7 was obtained in a higher yield from the reaction of 5 with PMe2Ph. The reaction of Ru6(CO)14 (η6-C6H6)(μ6-C) (3) with Ph3SnH yielded the new hexaruthenium complex Ru6(CO)13(μ-SnPh2)(η6 -C6H6)(μ6-C) (8) containing a bridging SnPh2 ligand. Evidence for benzene formation in the formation of compound 5 indicates the fate of the phenyl group that was cleaved from the tin atom in that reaction.

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KW - Lead

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KW - Tin

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