Wang, KZ; Jiang, PB; Yang, M; Ma, P; Qin, JH; Huang, XK; Ma, L; Li, R in [Wang, Kaizhi; Jiang, Pengbo; Yang, Ming; Ma, Ping; Qin, Jiaheng; Huang, Xiaokang; Ma, Lei; Li, Rong] Lanzhou Univ, SKLAOC, Lanzhou 730000, Gansu, Peoples R China; [Wang, Kaizhi; Jiang, Pengbo; Yang, Ming; Ma, Ping; Qin, Jiaheng; Huang, Xiaokang; Ma, Lei; Li, Rong] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Gansu, Peoples R China published Metal-free nitrogen -doped carbon nanosheets: a catalyst for the direct synthesis of imines under mild conditions in 2019, Cited 77. Recommanded Product: 3-Pyridinecarboxaldehyde. The Name is 3-Pyridinecarboxaldehyde. Through research, I have a further understanding and discovery of 500-22-1.
Herein, a highly stable, porous, multifunctional and metal-free catalyst was developed, which exhibited significant catalytic performance in the oxidation of amines and transfer hydrogenation of nitriles under mild conditions; this could be attributed to the presence of numerous active sites and their outstanding BET surface area. The obtained results showed that most of the yields of imines exceeded 90%, and the cycling performance of the catalyst could be at least seven runs without any decay in the reaction activity, which could be comparable to those of metal catalysts. Subsequently, a kinetic study has demonstrated that the apparent activation energy for the direct synthesis of imines from amines is 67.39 kJ mol(-1), which has been performed to testify that the catalytic performances are rational. Via catalyst characterizations and experimental data, graphitic-N has been proven to be the active site of the catalyst. Hence, this study is beneficial to comprehend the mechanism of action of a metal-free N-doped carbon catalyst in the formation of imines.
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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem