Half sandwich complexes derived from a 2,4-diphosphastibolyl ring anion

Steven J. Black, Cameron Jones

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The reaction of the hetero-ring anion [C2But2P2Sb]- with [{M(η4-1,5-C8H12)Cl}2], M = Rh, Ir, leads to the formation of [M(η5-C2But2P2Sb)(η4-1,5-C8H12)], M = Rh 7, Ir 8. Treatment of CoCl2 with either an equimolar mixture of [C2But2P2Sb]- and [C5Me5]-, or two equivalents of [C2But2P2Sb]- affords the compounds [Co(η5-C5Me5)(η4-C2But2HP2Sb)], 11, and [Co(η5-C2But2P2Sb)(η4-C2But2HP2Sb)], 12, which represent the first examples of diphosphastibacyclopentadiene complexes; the X-ray crystal structures of 7 and 11 are reported.

Original languageEnglish
Pages (from-to)89-94
Number of pages6
JournalJournal of Organometallic Chemistry
Issue number1-2
Publication statusPublished - 28 Apr 1997
Externally publishedYes


  • Antimony
  • Diphosphastibacyclopentadiene
  • Diphosphastibolyl
  • Low coordination
  • Phosphorus

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