Pyridine-capped 5,12-dioxocyclams were coupled "back-to-back" directly, with one or two intervening phenyl groups, an ethynyl group, or a diazo group via Suzuki, Sonogashira, or reductive coupling of the 4-nitropyridine monocyclam. These bis-dioxocyclams linked through extended pi-conjugated systems were complexed to copper(II) and cobalt(III), producing bis-metal complexes which were characterized
经由Suzuki,Sonogashira将
吡啶封端的5,12-二氧杂
环丁烷与一个或两个中间苯基,
乙炔基或重氮基直接“背对背”偶联,或4-
硝基吡啶单环酰胺的还原偶联。通过扩展的π-共轭体系连接的这些双-二氧杂
环丁烷与
铜(II)和
钴(III)络合,生成双
金属络合物,在光谱和电
化学上对其进行了表征。这些研究几乎没有证据表明通过π共轭连接子的
金属中心之间的电子通讯。