The ruthenostannylene complex [Cp(IXy)H2Ru-Sn-Trip]: Providing access to unusual ru-sn bonded stanna-imine, stannene, and ketenylstannyl complexes

Hsuch-Ju Liu, Micah S. Ziegler, T. Don Tilley*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Reactivity studies of the thermally stable ruthenostannylene complex [Cp(IXy)(H)2Ru-Sn-Trip] (1; IXy=1,3-bis(2,6-dimethylphenyl)imidazol-2-ylidene; Cp=η5-C5Me5; Trip=2,4,6-iPr3C6H2) with a variety of organic substrates are described. Complex 1 reacts with benzoin and an α,β-unsaturated ketone to undergo [1+4] cycloaddition reactions and afford [Cp(IXy)(H)2RuSn(κ2-O,O-OCPhCPhO)Trip] (2) and [Cp(IXy)(H)2RuSn(κ2-O,C-OCPhCHCHPh)Trip] (3), respectively. The reaction of 1 with ethyl diazoacetate resulted in a tin-substituted ketene complex [Cp(IXy)(H)2RuSn(OC2H5)(CHCO)Trip] (4), which is most likely a decomposition product from the putative ruthenium-substituted stannene complex. The isolation of a ruthenium-substituted stannene [Cp(IXy)(H)2RuSn(=Flu)Trip] (5) and stanna-imine [Cp(IXy)(H)2RuSn(κ2-N,O-NSO2C6H4Me)Trip] (6) complexes was achieved by treatment of 1 with 9-diazofluorene and tosyl azide, respectively.

Original languageEnglish
Pages (from-to)6622-6626
Number of pages5
JournalAngewandte Chemie - International Edition
Volume54
Issue number22
DOIs
StatePublished - 1 May 2015

Keywords

  • metallostannylenes
  • ruthenium
  • stanna-imines
  • stannenes
  • stannylenes

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