Synthesis of Supported Indazolyl-Pyridyl-Quinoline Iridium Catalyst and Its Application to N-Alkylation of 2-Aminobenzothiazoles
Chinese Journal of Organic Chemistry(2022)
Abstract
The tridentate indazolyl-pyridyl-quinoline ligand was designed and synthesized, and its iridium complex was successfully loaded on MoS2 nanosheets. The resulting IPQ-Ir@MoS2 was fully characterized by means of scanning electron microscope (SEM), transmission electron microscopy (TEM), energy dispersive spectrometer (EDS) and X-ray photoelectron spectrometry (XPS). This iridium composite could realize N-alkylation of 2-aminobenzothiazole with benzyl alcohol under solvent-free condition. It showed excellent catalytic activity and good tolerance. At the same time, the reaction mechanism was also explored.
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Key words
borrowing hydrogen,dehydrogenation,tridentate ligand,iridium,supported catalyst
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