3-Hydroxypyridin-4-ones selectively bind iron under biological conditions and one such compound has found application in the treatment of thalassaemia-linked iron overload. Related molecules have also been demonstrated to possess an antimalarial effect at levels which are non-toxic to mammalian cells. In an attempt to improve the efficiency of such molecules we have investigated the effect of introducing basic nitrogen centres into 3-hydroxypyridin-4-ones in an attempt to achieve targeting to lysosomes and other intracellular acidic vacuoles. Several of the compounds reported in this communication possess enhanced antimalarial activity over that of the simple hydroxypyridinone class. (C) 2007 Elsevier Masson SAS. All rights reserved.
的Ru(II) - η 6 - p -cymene化合物轴承吡喃酮衍生的配体,其通过用哌啶和相关类似物曼尼希反应而得到,已被合成。通过NMR光谱,质谱,热重分析和在2-(2,6-二甲基吗啉-4-基甲基)-3-羟基-6-羟基甲基-吡喃-4-酮X-的情况下对化合物进行表征。射线衍射分析。氯离子络合物在水溶液中易于水合,导致形成二聚体。如1 H NMR光谱所证明的,二聚体的形成可以通过用咪唑原位取代氯代配体来抑制,从而产生在水中明显更稳定的化合物。