机构地区: 韩山师范学院化学系
出 处: 《光谱实验室》 2011年第5期2631-2633,共3页
摘 要: 金属离子(M)容易接受配体,成为中心离子,二氢杨梅素(DMY)是藤茶中活性最强的天然活性物质,可作为多基配体与金属发生络合反应。本文研究了DMY-M系统的紫外光谱、荧光光谱及红外光谱,与DMY相比,DMY-M有以下特点:紫外光谱吸收峰、荧光光谱发射峰位置基本不变,但强度减弱;羰基红外吸收峰发生红移,并在500—700cm-1出现M—O吸收峰。 Metals can easily receive ligand and act as the central ion.Dihydromyricetin(DMY) is the most active natural substance in teng cha(Ampelopis grossedentata) and being a polyligand,can be complex with metal ions.The UV,fluorescence and infrared spectra of DMY-M were studied.Compared with the spectra of DMY,the spectra of DMY-M system showed the following features:in UV and fluorescence spectra,the peak basically did not shift,but the UV and fluorescence intensity weakened.Red shift for infrared absorption peak of carbonyl occured,and there were absorption peak of M-O in 500—700cm-1.