Coordination Chemistry of the Water-Soluble Ligand TPPTP and Formation of a [Mo(CO)<sub>5</sub>(<i>m</i>-TPPTP)] Monolayer on an Alumina Surface
作者:Brandy A. Harper、D. Andrew Knight、Clifford George、Susan L. Brandow、Walter J. Dressick、Charles S. Dalcey、Terence L. Schull
DOI:10.1021/ic025862a
日期:2003.1.1
Phosphonate and phosphonic acid functionalized phosphine complexes of platinum(II) were prepared via direct reaction of the ligands with K2PtCl4 in water. Either cis or trans geometries were found depending on the nature of the ligand. The crystal structure of P(3-C6H4PO3H2)3.2H2O (6b) (triclinic, P1, a = 8.3501(6) A, b = 10.1907(6) A, c = 14.6529(14) A, alpha = 94.177(6) degrees, beta = 105.885(6)
通过配体与K2PtCl4在水中的直接反应制备铂(II)的膦酸酯和膦酸官能化的膦配合物。根据配体的性质,发现顺式或反式几何形状。P(3-C6H4PO3H2)3.2H2O(6b)的晶体结构(三斜晶系,P1,a = 8.3501(6)A,b = 10.1907(6)A,c = 14.6529(14)A,alpha = 94.177(6) β= 105.885(6)度,γ= 108.784(5)度,Z = 2)表示膦酸的层状排列。膦酰基二酰胺配合物顺式-[PtCl2(P [4-C6H4PO [N(CH3] 2]] 3)2] .3H2O(10)的合成产率为89%,并使用稀HCl水解为膦酸配合物。硅胶负载钯膦配合物催化三氟甲磺酸苯酯的膦酰化反应,钼配合物Mo(CO)5 [P3-C6H4PO3H2)3](11),将其原位合成并接枝到氧化铝表面。XPS,RBS和AFM研究证实了在氧化铝表面上形成11的单层。