Abstract μ-(η 5: η 5-Fulvalene)-di-μ-hydrido-bis (η 5-cyclopentadienyltitanium) and μ-(η 5: η 5-fulvalene)-μ-chloro-μ-hydrido-bis (cyclopentadienyltitanium) form a thermally stable complex which catalyzes the intermolecular hydrogen transfer in unsaturated hydrocarbons, in addition to isomerizations and cyclizations. Cyclic hydrocarbons disproportionate under catalysis to saturated and aromatic hydrocarbons, while linear olefins yield predominantly ...