Multimetallic Catalysts Based on Rare Earth Hydride Clusters

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The discovery of new catalysts can result in breakthroughs in various areas. Based on the multimetallic rare earth metal complexes, we have achieved for the first time the selective formation of ethylene from carbon monoxide, the regio^- and stereoselective cross-coupling reaction of terminal alkynes with isocyanides, and regio^- and stereoselectivity switching in isoprene polymerization. We have also found that the Y_4-Mo pentanuclear polyhydride complex can reversibly uptake and release hydrogen in an unprecedented fashion.