alpha-单取代吡啶盐的新方法合成及光化学反应研究
Release Time:2019-03-12 Hits:
Indexed by: Journal Article
Date of Publication: 2011-01-01
Journal: 有机化学
Included Journals: CSCD、ISTIC、PKU
Volume: 31
Issue: 2
Page Number: 216-221
ISSN: 0253-2786
Key Words: 吡喃盐; alpha位单取吡啶盐; 菲啶盐; 光化学反应; 荧光性质
Abstract: 以alpha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alpha位单取代吡啶盐.在此基础上研究了alpha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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