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The Chemistry of the diruthenium centre, when stabilised by η-C5Me5 ligands, provides examples of new organic transformations (e.g. isomerisation of ethylene to ethylidene, addition of ethylene to vinylidene) and new species {e.g.[Ru2(CO)2(µ-H)2(η-C5Me5)2]}.
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Forrow et al. (1984) studied this question.
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