Reactivity of trinuclear ruthenium complexes involving bis(diphenylphosphino)methane (dppm) as a bridging ligand: facile declusterification of [Ru3(CO)8(µ-dppm-PP′)2] in the presence of iodine and the crystal structure of [Ru2(µ-I)2(CO)4(µ-dppm-PP′)]
Abstract
[Ru3(CO)8(µ-dppm-PP′)2] reacts with iodine in toluene to yield a mixture of [Ru2(µ-I)2(CO)4(µ-dppm-PP′)] and [Rul2(CO)2(dppm-PP′)]. Both complexes have been characterized spectroscopically. The structure of the binuclear species [Ru2(µ-l)2(CO)4(µ-dppm-PP′)] has been determined using X-ray analysis. The two metal centres are connected by a bridging dppm ligand and two bridging iodide atoms. The metal–metal bonding distance is 2.7074(6)Å.
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