Department of Chemistry, Mendeleev Block, Indian Institute of Science Education and Research, Pune, Dr. Homi Bhabha Road, Pune 411008, India.
Dalton Trans. 2012 Aug 28;41(32):9753-9. doi: 10.1039/c2dt30241a. Epub 2012 Jul 6.
Mild deprotonation of a 2-pyridyl (py)-functionalized phosphoric triamide [PO(NHpy)(3)] in the absence of an external base was studied in the presence of various silver(I) salts. Interesting examples of octa- and hepta-nuclear Ag(I) complexes coordinated to imido and pyridyl groups were obtained when more reactive Ag(I) salts, such as AgClO(4) and AgBF(4), were used, while the less reactive AgNO(3) reacts only with the peripheral pyridyl groups leading to a tri-nuclear cluster. Structural determination of these Ag(I) complexes show that sequential deprotonation of the ligand amino protons were achieved forming imido P(V) species analogous to the H(2)PO(4)(-) and HPO(4)(2-) ions.
在没有外部碱的情况下，研究了 2-吡啶基（py）功能化磷酸三酰胺 [PO(NHpy)(3)] 的轻度去质子化，在存在各种银（I）盐的情况下。当使用更具反应性的银（I）盐（如 AgClO(4) 和 AgBF(4)）时，得到了有趣的八核和七核 Ag(I)配合物的实例，这些配合物与亚氨基和吡啶基配位，而反应性较弱的 AgNO(3)仅与外围吡啶基反应，导致形成三核簇。这些 Ag(I)配合物的结构测定表明，配体氨基质子的顺序去质子化形成了类似于 H(2)PO(4)(-) 和 HPO(4)(2-)离子的亚氨基 P(V)物种。
