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Nickel- and cobalt-based heterogeneous catalytic systems for selective primary amination of alcohol with ammonia
Institution:Green Catalysis Lab, Institute of Chemical and Materials, Changzhou Institute of Technology, Jiangsu, PR China
Abstract:It is one of the critical fields of green chemistry to catalyze the selective conversion of biomass-derived alcohol and ammonia to primary amines with extensive application. Recently, catalytic systems consisting of non-noble metal nickel- and cobalt-based catalysts have been developed for catalytic alcohol amination. This paper reviewed these two types of catalytic systems, which are classified as skeleton Co and Ni catalytic systems, supported and modified Co and Ni catalytic systems, emphasized on catalysts and catalysis, and clearly explained where zero-valent cobalt or nickel is active species for catalytic reaction. In supported catalysts, the catalytic active sites constituted by the catalytic active species and its micro-environment can regulate the efficiency of catalytic the reaction. While in modified catalysts, modifiers such as metal Fe, Re and Bi may modulate the catalytic active sites and change the catalytic selectivity. There are differences in structure and size between catalysts prepared by different methods, resulting in distinct interface and electronic properties for alcohol amination, which determines the structure–activity relationships of the catalytic system.
Keywords:Alcohol  Ammonia  Catalytic amination  Supported catalyst  Modified catalyst  Structure–activity relationships  TON"}  {"#name":"keyword"  "$":{"id":"k0040"}  "$$":[{"#name":"text"  "_":"turnover number  TOF"}  {"#name":"keyword"  "$":{"id":"k0050"}  "$$":[{"#name":"text"  "_":"turnover frequency  DFT"}  {"#name":"keyword"  "$":{"id":"k0060"}  "$$":[{"#name":"text"  "_":"density functional theory  Cov  "}  {"#name":"keyword"  "$":{"id":"k0070"}  "$$":[{"#name":"text"  "_":"conversion  Sel  "}  {"#name":"keyword"  "$":{"id":"k0080"}  "$$":[{"#name":"text"  "_":"selectivity  Ref  "}  {"#name":"keyword"  "$":{"id":"k0090"}  "$$":[{"#name":"text"  "_":"reference  XRD"}  {"#name":"keyword"  "$":{"id":"k0110"}  "$$":[{"#name":"text"  "_":"X-ray diffraction  XPS"}  {"#name":"keyword"  "$":{"id":"k0120"}  "$$":[{"#name":"text"  "_":"X-ray photoelectron spectroscopy  SEM/EDS"}  {"#name":"keyword"  "$":{"id":"k0130"}  "$$":[{"#name":"text"  "_":"scanning electron microscopy/energy dispersive X-ray spectrometer  ESI-MS"}  {"#name":"keyword"  "$":{"id":"k0140"}  "$$":[{"#name":"text"  "_":"electrospray ionization-mass spectrometry  TEM"}  {"#name":"keyword"  "$":{"id":"k0150"}  "$$":[{"#name":"text"  "_":"transmission electron microscope  HR-TEM"}  {"#name":"keyword"  "$":{"id":"k0160"}  "$$":[{"#name":"text"  "_":"high-resolution transmission electron microscope  STEM"}  {"#name":"keyword"  "$":{"id":"k0170"}  "$$":[{"#name":"text"  "_":"scanning transmission electron microscope  STEM-EDX"}  {"#name":"keyword"  "$":{"id":"k0180"}  "$$":[{"#name":"text"  "_":"scanning transmission electron microscope-energy dispersive X-ray spectrometer  FT-IR"}  {"#name":"keyword"  "$":{"id":"k0190"}  "$$":[{"#name":"text"  "_":"Fourier transform infrared spectroscopy  BET"}  {"#name":"keyword"  "$":{"id":"k0200"}  "$$":[{"#name":"text"  "_":"Brunauer-Emmett-Teller measurement  XANES"}  {"#name":"keyword"  "$":{"id":"k0210"}  "$$":[{"#name":"text"  "_":"X-ray absorption near edge structure
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