supported by the National Natural Science Foundation of China(nos.21732007,21890721,21821002,21890722,and 21950410519);the Natural Science Foundation of Tianjin Municipality(nos.19JCJQJC62300 and 18JCYBJC21400);the Tianjin Research Innovation Project for Postgraduate Students(no.2019YJSB081);the Frontiers Science Center for New Organic Matter[Nankai University(no.63181206)];the K.C.Wong Education Foundation,and the Shanghai Municipal Committee of Science and Technology.
Rare-earth metal complexes have been used as catalysts for many types of reactions.However,the mechanistic studies showed that basically,these various reactions proceeded withσ-bond metathesis of RE–E bond(RE:rare-e...