8喹啉氧基;_酞菁;_光敏感药;_光谱分析;_吸收

四α(8喹啉氧基)取代酞菁金属配合物的若干性质

http://www.100md.com 《福建医科大学学报》 2006年第5期

8喹啉氧基;,酞菁;,光敏感药;,光谱分析;,吸收,,8喹啉氧基;,酞菁;,光敏感药;,光谱分析;,吸收,1材料与方法,2结果,3讨论,参考

     摘要: 目的研究四α(8喹啉氧基)取代酞菁金属配合物的光谱性质、在溶液中的聚集行为、光稳定性及其光敏活性,为新型光敏剂的筛选提供依据。方法测定配合物UVVis吸收光谱,确定单体和聚集体的吸收波长及其强度随浓度的变化,判断其在溶液中的状态及其光稳定性,采用2,5二甲基呋喃(DMFU)为探针气相色谱法测定标题配合物在激光照射下产生单线态氧(1O2)的速率。结果四α(8喹啉氧基)取代酞菁金属配合物的光谱位于理想光敏剂的较佳波长区(650~700 nm),在DMF溶液中主要以单体形式存在,在红光光照条件下光稳定性较好，四α(8喹啉氧基)取代酞菁锌光敏产生1O2的速率明显大于其他3种相应酞菁金属配合物。结论从四α(8喹啉氧基)取代酞菁金属配合物中筛选出四α(8喹啉氧基)取代酞菁锌,其具备作为光敏剂的光谱特性、光稳定性和较高的光敏活性。

    关键词: 8喹啉氧基; 酞菁; 光敏感药; 光谱分析; 吸收

    Properties of Tetraα(8quinolinoxy) Metallophthalocyanines

    Ye Tingxiu, Xue Jinping, Chen Naisheng, Huang Jinling

    1.College of Pharmacy, Fujian Medical University, Fuzhou 350004, China

    2.Institute of Functional Materials, College of Chemistry and Chemical Engineering,Fuzhou University, Fuzhou 350002, China

    ABSTRACT: Objective To investigate the spectroscopic character, the congregate behavior, photostability and photosensitivity of tetraα(8quinolinoxy)metallophthalocyanines(ZnPcQ4) in order to select new kinds of photosensitizer. Methods By measuring UVVis absorption spectrum, comparing the absorption wavelength and absorption intension of monomer and congeries, ascertain its states in solution as well as the photostability. And by measuring GC with DMFU probe ascertain its rate of 1O2 sensitized by phthalocyanines. Results The absorption spectrums of tetraα(8quinolinoxy)metallophthalocyanines lies in the suitable area of ideal photosensitizer(650~700 nm). They were mostly monomer in the solution of N,Ndimethytlformyl(DMF), the photostability under the illuminated glow was quiet excellent. The rate of 1O2 sensitized by ZnPcQ4 was maximal that other 3 kinds PcQ(Cu,Co or Ni). Conclusion Tetraα(8quinolinoxy) phthalocyanine zinc may selected as a new photosensitizer for it has excellent spectroscopy properties, photostability and photosensitivity. ......

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