Synthesis and characterization of complexes of trialkyl- and triarylphosphine gold(I) with thiolated purines and pyrimidines: a class of bifunctional compounds with potential antitumor activity
作者:Giancarlo Stocco、Filippa Gattuso、Anvarhusein A. Isab、C.Frank Shaw
DOI:10.1016/s0020-1693(00)85133-6
日期:1993.7
New complexes of the type R3PAuL or (R3PAu)2(mu-L) where R=ethyl or phenyl and L=6-thioguanine, 2,6-dithioxanthine, 2,4-dithiouracil and/or dithioerythritol have been prepared. These complexes have been identified by using elemental analysis, H-1, C-13 and P-31 NMR spectroscopy. The structures have been proposed based on these spectroscopic studies. Sulfur appears to be the binding site in disubstituted complexes of 2,4-dithiouracil and 1,4-dithioerythritol, while the phosphine gold(I) moieties appear to be S and N bonded in 2,6-dithioxanthine and 6-thioguanine. The potential use of these complexes as antitumor drugs is discussed.