金属有机笼状配合物因其独特的空间限域性、易组装、多功能化等特点,使其在选择性识别生物小分子时占有重要的优势.本文设计合成了具有高度对称性的有机配体H3 L2,通过配位作用与过渡金属离子ZnⅡ/CoⅡ组装成金属有机笼状配合物Zn-L2/Co-L2.笼状配合物Zn-L2和Co-L2均为四面体构型,具有光学活性,为阳离子笼状配合物.以荧光为主要研究手段,对生物小分子核苷酸分子的识别作用进行研究,发现当与三磷酸腺苷ATP分子进行作用时,笼状配合物的荧光信号显著增强,实现了对ATP的选择性识别.
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