Dr. Kangkang Sun, Tianyue Su, Prof. Guo-Ping Lu, Prof. Robert Franke, Dr. Helfried Neumann, Prof. Matthias Beller
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引用次数: 0
摘要
在具有高度分散金属中心的异相 Co-N/C 催化剂存在下,利用 CO 和 H2 对烯进行的氢氨甲基化反应可高效进行。利用这种特殊材料,可以从环状和线性脂肪族烯烃中有效合成各种仲胺和叔胺。最佳催化剂的活性位点来自原子分散的 Co 位点与周围 N 原子的协同效应,以及 NC 载体的高比表面积和结构缺陷。该催化系统具有广泛的适用性(54 个实例),包括与制药相关的分子,同时还具有高活性和可重复使用性,这突出表明了该催化系统的普遍适用性。
A Highly Dispersed Heterogeneous Cobalt Catalyst for Efficient Domino Hydroformylation Reductive Amination of Olefins
The hydroaminomethylation of alkenes using CO and H2 proceeds efficiently in the presence of a heterogeneous Co−N/C catalyst with highly dispersed metal centers. Various secondary and tertiary amines can be effectively synthesized from cyclic and linear aliphatic alkenes using this specific material. The active sites of the optimal catalyst result from the synergistic effect of atomically dispersed Co sites with their surrounding N atoms, and the high surface area as well as structural defects of the NC support. The broad applicability (>54 examples), including pharmaceutically relevant molecules, together with the high activity and reusability, underline the general applicability of this catalytic system.