Macropolyhedral boron-containing cluster chemistry. Metallathiaboranes from S2B17H17: isolation and characterisation of [(η6-MeC6H4isoPr)RuS2B16H16] and [(η6-MeC6H4isoPr)RuS2B15H15]

Abstract

Deprotonation of [S₂B₁₇H₁₇] 1 with NaH and subsequent reaction with [{RuCl₂(η⁶-MeC₆H₄^isoPr)}₂] gives new nineteen-vertex [(η⁶-MeC₆H₄^isoPr)RuS₂B₁₆H₁₆] 2, with a nido {SB₉} unit and an arachno-type {RuSB₉} unit conjoined with a B–B edge in common, and new eighteen-vertex [(η⁶-MeC₆H₄^isoPr)RuS₂B₁₅H₁₅] 3 with a nido {RuSB₉} subcluster fused via a common B–B edge to a nido {B₈} subcluster that is additionally linked exo to the {RuSB₉} unit by a bridging sulfur atom that is held endo to the {B₈} unit.