申请人:Thomas Oliver
公开号:US20140155562A1
公开(公告)日:2014-06-05
The invention relates to chelate-stabilized homleptic triaryl compounds based on phenylphosphoranes, to methods for preparing same and to the use thereof as catalysts. According to the invention, the object is achieved by homleptic rare earth triaryl complexes of the general formula (I), where SE=Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb or Lu; X=O, CRR′; R
1
, R
2
=phenyl; R, R′=mutually independently H, alkyl with n=10 C atoms, phenyl or trimethylsilyl.
该发明涉及基于
苯基膦烷的螯合稳定的三芳基化合物,以及制备相同的方法和将其用作催化剂。根据该发明,通过一般式(I)的三芳基稀土配合物实现了该目标,其中
SE=Sc、Y、La、Ce、Pr、Nd、Pm、Sm、Eu、Gd、Tb、Dy、Ho、Er、Tm、Yb或Lu;X=O、CRR′;R1、R2=苯基;R、R′=相互独立的H、n=10个C原子的烷基、苯基或三甲基
硅基。