Gold clusters and nanoparticles were deposited on the three kinds of porous coordination polymers (PCP5), MOF-5, CPL-2, and AI-MIL53 by the solid grinding method. The size of Au particles depended on the kinds of PCPs and increased in the order of AI-MIL53 < CPL-2 < MOF-5. The mean diameter of Au particles supported on AI-MIL53 was estimated to be 1.6 nm by HAADFSTEM. Such small Au clusters on AI-MIL53 can catalyze one-pot synthesis of secondary amines from primary amines by sequential oxidation/hydrogenation owing to the remarkable improvement of hydrogenation efficiency of imine. Gold clusters deposited on AI-MIL53 can also promoteN-alkylation of amine with alcohol to form a secondary amine under N2 atmosphere without using O2 and H2.

中文翻译：

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通过多孔配位聚合物负载的金簇将伯胺一锅N-烷基化为仲胺

通过固体研磨法将金簇和纳米颗粒沉积在三种多孔配位聚合物（PCP5）、MOF-5、CPL-2和AI-MIL53上。Au颗粒的大小取决于PCP的种类，并以AI-MIL53 < CPL-2 < MOF-5的顺序增加。HAADFSTEM 估计 AI-MIL53 上负载的 Au 颗粒的平均直径为 1.6 nm。由于亚胺加氢效率的显着提高，AI-MIL53上的这种小的Au簇可以通过顺序氧化/加氢催化伯胺一锅法合成仲胺。沉积在 AI-MIL53 上的金簇还可以促进胺与醇的 N-烷基化，在 N2 气氛下，无需使用 O2 和 H2，形成仲胺。