Hydroboration of Unsaturated Substrates Catalyzed by Organoaluminum
Green,eco-friendly and atomic economy has become a hot topic in chemical research,and the development of inexpensive,high quality,green,eco-friendly and atomic economy catalysts is one of challenges that chemists need to break through in the present and future.The transition metal complexes are highly favored because of the excellent redox ability of the center metal,and have been widely used as catalysts in the organic reactions.Compared with transition metal complexes,the main group metal catalysts are considered as new catalysts with wide commercial applications and environmental friendliness.With the continuous development and research of main group organometallics(especially the low valence organometallics),the catalytic properties and applications of main group organometallics have attracted wide attention.In recently,with the pioneering discovery of β-diimide aluminum dihydrogen catalytic performance,the research on exploring green organoaluminum catalysts has been developed rapidly.In this paper,the hydroboration of unsaturated compounds catalyzed by organoaluminum is reviewed,and its catalytic mechanism and reaction process are systematically summarized.The analysis and prospect of organoaluminum catalysts are also presented,in order to provide material for the development of main group element organic catalysts and the study of their catalytic mechanism.
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