financially supported by the National Natural Science Foundation of China (No.21274041)。
A series of C1-symmetric ethylene-bridged ansa-(3-R-cyclopentadienyl)(fluorenyl) metallocene complexes(Zr: 1-5;Hf: 6) have been synthesized, characterized and investigated as catalyst precursors for the high temperatu...
financially supported by the National Natural Science Foundation of China (Nos. 51773193 and 21634007);department of science and technology of Jilin province (No.20180101171JC);the "973" project (No. 2015CB654702)
Salt metathesis reactions between pyridyl-methylene-cyclopentadienyl lithium salt and LnCl_3 followed by the addition of two equivalents of LiCH_2SiMe_3 afforded a series of constrained-geometry-configuration rare-ear...