[RuH(1–6-η-C8H10)(1′,2′;5′,6′-η-C8H12)]BF4, the first isolated hydridometal complex stabilized only by alicyclic hydrocarbon ligands and a very efficient catalyst precursor for the transformation of alkenes
Abstract
Low-temperature protonation of [Ru(1–6-η-C8H10)(1′,2′;5′,6′-η-C8H12)] by HBF4·Et2O affords [RuH(1–6η-C8H10)(1′,2′;5′,6′-η-C8H12)]BF4(4), a rare example of a hydrido-alkene complex which isomerises at room temperature to, first, [RuH(η5-C8H11)2]BF4 and then to [Ru(1–5-η-C8H11)(1′–4′-η-C8H12)]BF4; all these complexes are efficient catalyst precursors for the isomerisation, oligomerisation, and polymerisation of alkenes and dienes.