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Citation: JI Feng-Ying, MEI Ruo-Han, ZHU Ya-Fei, XU Zun-Le. Syntheses and Fluorescence Properties of Benzisoquinolinone Analogues[J]. Chinese Journal of Applied Chemistry, ;2006, 23(3): 283-288. shu

Syntheses and Fluorescence Properties of Benzisoquinolinone Analogues

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a School of Chemistry and Chemical Engineering;
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b Testing Center, Zhongshan University, Guangzhou 510275

Corresponding author: XU Zun-Le,
Received Date: 22 May 2005
Available Online: 25 July 2005
Fund Project: 广东省自然科学基金(011179)资助项目 (011179)

12 Benzisoquinolinone analogues were synthesized,which contained two chirality compounds with[α]₅₇₉²⁵=-59°(c=0.2,DMF)(3b) and[α]₅₇₉²⁵=-96°(c=0.1,THF)(8b);2(5)-nitro and 3(4)-chloro isomers were separated.Meanwhile,the mechanisms for nucleophilic substitution(S_N2Ar) reaction on the aromatic rings were explored.The ultraviolet spectra and fluorescence emission spectra of the synthesized compounds were determined;the relative fluorescence quantum yield(Φ_f) was studied.The results show that the fluorescence efficiency,the Strokes shift and the molar absorption coefficient of the compounds are affected by conjugation and substituting groups.
- benzimidazo[2,1-a]benz[de]isoquinolinone,
- naphthalimide,
- fluorescence quantum yield,
- nucleophilic substitution reaction,
- synthesis
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