合成膦取代的β-二酮亚胺基异构 Ge(II)配合物。

Synthesis of phosphine substituted beta-diketiminate based isomeric Ge(II) complexes.

机构信息

Department of Chemistry, Pondicherry University, Pondicherry, 605014, India.

出版信息

Dalton Trans. 2010 Jan 7(1):234-8. doi: 10.1039/b915403e. Epub 2009 Nov 9.

PMID:20023955

Abstract

Treatment of phosphine substituted beta-diketiminate lithium, Ph2PC[C(Me)N(Dipp)]2LiOEt2 (1) (Dipp = 2,6-iPr2C6H3) with dioxane x GeCl2 resulted in a five-membered N,P chelate complex, Ph2PC[C(Me)N(Dipp)]2GeCl (2). An isomer of 2 CH{[C(CH2PPh2)N(Dipp)][C(Me)N(Dipp)]}GeCl (5) was obtained from the germanium complex L'Ge (L' = CH[C(CH2)N(Dipp)][C(Me)N(Dipp)])Ge (4) and Ph2PCl. In 5 the PPh2 group remains uncoordinated. Both complexes were characterized by X-ray structural analysis and in the case of 5 both enantiomers crystallize in the same unit cell.

摘要

用二氧六环 x 二氯二锗处理膦取代的β-二酮亚胺锂，Ph2PC[C(Me)N(Dipp)]2LiOEt2（1）（Dipp=2,6-iPr2C6H3），得到五员 N，P 螯合配合物，Ph2PC[C(Me)N(Dipp)]2GeCl（2）。从锗配合物 L'Ge（L'=CH[C(CH2)N(Dipp)][C(Me)N(Dipp)])Ge（4）和 Ph2PCl 中得到了 2-CH{[C(CH2PPh2)N(Dipp)][C(Me)N(Dipp)]}GeCl（5）的异构体。在 5 中，PPh2 基团保持未配位。这两个配合物都通过 X 射线结构分析进行了表征，在 5 的情况下，两种对映异构体都在同一个晶胞中结晶。