首页|Surface Coordination Decouples Hydrogenation Catalysis on Supported Metal Catalysts
Surface Coordination Decouples Hydrogenation Catalysis on Supported Metal Catalysts
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Supported metal catalysts integrating advantages of catalytic hydrogenation and stoichiometric reduction are highly desirable for the green production of fine chemicals.Decoupling catalytic hydrogenation into H2 activation and selective reduction taking place at different locations is expected to provide an effective strategy to fabricate such catalyst systems.Herein,we report a decoupled hydrogenation system by modify-ing Pt catalysts supported on reducible ln203 with ethylenediamine(EDA).The system exhibits good catalytic performance in oximes production from nitroalkanes,an industrially important reaction,by employing H2.Systematic studies demonstrate that the surface coordination of EDA on Pt is crucial to passivate the Pt surface from nitro hydrogenation without inhibiting H2 activation.The activated H2 species can then transfer and reduce the ln203 sup-port in situ to generate sustainable stoichiometric reducing agents for the chemoselective reduction of nitroalkanes.Based upon the mechanistic under-standing,a sustainable strategy for the production of oximes has been successfully fabricated.
hydrogenation catalysissurface coordina-tionreducible supportselective hydrogenation of nitro compoundsheterogeneous catalysis
State Key Laboratory for Physical Chemistry of Solid Surfaces,Collaborative Innovation Center of Chemistry for Energy Materials,National & Local Joint Engineering Research Center for Preparation Technology of Nanomaterials,College of Chemistry and Chemical Engineering,Xiamen University,Xiamen 361005
Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province(IKKEM),Xiamen 361102
NETL
NSTL
万方数据
维普
