Synthesis and characterisation of the first examples of four-membered ring ruthenalactam complexes

Ashwin Gopalan Nair, William Henderson*, Brian K. Nicholson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Reaction of the complexes [RuCl2(PPh3)L] (L = η6-p-cymene or η6-hexamethylbenzene) with N-cyanoacetylurethane [NCCH2C(O)NHCO2Et] and tertiary amine base in refluxing methanol gives the first examples of mononuclear complexes containing the four-membered ruthenalactam ring, Ru-C-C(O)-N. The complexes were characterised by 1H and 31P{1H} NMR spectroscopy and ESI mass spectrometry. A single-crystal X-ray diffraction study on the p-cymene complex showed the four-membered ruthenalactam ring to be planar.

Original languageEnglish
Pages (from-to)51-54
Number of pages4
JournalInorganic Chemistry Communications
Volume45
DOIs
Publication statusPublished - Jul 2014
Externally publishedYes

Keywords

  • Crystal structure
  • Electrospray ionisation mass spectrometry
  • Metallalactam
  • Ruthenalactam
  • Ruthenium

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