Since 1980, organolanthanide chemistry of substituted cyclopentadienyl has been rapidly developed. Many substituted cyclopentadienyl lanthanoid chloride complexes have been synthesized. These sterically bulky ligands,...Since 1980, organolanthanide chemistry of substituted cyclopentadienyl has been rapidly developed. Many substituted cyclopentadienyl lanthanoid chloride complexes have been synthesized. These sterically bulky ligands, such as-C<sub>5</sub>Me<sub>5</sub>, -（Me<sub>3</sub>Si）<sub>2</sub>C<sub>5</sub>H<sub>3</sub>,-t-BuCp, etc., can stabilize the complexes with low coordination number, especially the complexes of mono-and bin（substituted cyclopentadienyl） lanthanoid chloride. Using cyclopentylcyclopentadienyl as ligand, we synthesized Cp<sub>2</sub><sup>′</sup> LnCl（THF）<sub>n</sub>（Cp′=cyclopentylcyclopentadienyl, C<sub>5</sub>H<sub>9</sub>C<sub>5</sub>H<sub>4</sub>, Ln=Nd, Sm, n=1; Ln=Er, Yb, n=0）. Because the ligand is sterically bulky, it can not only prevent the disproportionation but also increase the solubil-展开更多
文摘Since 1980, organolanthanide chemistry of substituted cyclopentadienyl has been rapidly developed. Many substituted cyclopentadienyl lanthanoid chloride complexes have been synthesized. These sterically bulky ligands, such as-C<sub>5</sub>Me<sub>5</sub>, -（Me<sub>3</sub>Si）<sub>2</sub>C<sub>5</sub>H<sub>3</sub>,-t-BuCp, etc., can stabilize the complexes with low coordination number, especially the complexes of mono-and bin（substituted cyclopentadienyl） lanthanoid chloride. Using cyclopentylcyclopentadienyl as ligand, we synthesized Cp<sub>2</sub><sup>′</sup> LnCl（THF）<sub>n</sub>（Cp′=cyclopentylcyclopentadienyl, C<sub>5</sub>H<sub>9</sub>C<sub>5</sub>H<sub>4</sub>, Ln=Nd, Sm, n=1; Ln=Er, Yb, n=0）. Because the ligand is sterically bulky, it can not only prevent the disproportionation but also increase the solubil-
