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α-单取代吡啶盐的新方法合成及光化学反应研究

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Indexed by:期刊论文

Date of Publication:2011-02-01

Journal:有机化学

Included Journals:SCIE、PKU、ISTIC

Volume:31

Issue:2

Page Number:216-221

ISSN No.:0253-2786

Key Words:吡喃盐;α位单取吡啶盐;菲啶盐;光化学反应;荧光性质

Abstract:以α位单取代2,4,5.三苯基吡喃盐和取代伯胺为原料,一步合成出相应的a位单取代吡啶盐.在此基础上研究了α位单取代吡啶盐的光化学反应,成功合成出具有较高共平面结构的菲啶盐.通过测定吡啶盐和菲啶盐的荧光光谱发现,N位苯环上取代基供电性的增强使得吡啶盐荧光发射光谱发生明显的红移,荧光强度减弱,而菲啶盐由于分子共平面性增强极大提高了分子的荧光强度.

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