有机化学 ›› 1995, Vol. 15 ›› Issue (5): 525-529. 上一篇    下一篇

研究论文

二苯并富烯紫外光谱的取代基效应

陆文兴;颜朝国;习国旺;许文琴   

  1. 扬州大学师范学院化学系
  • 发布日期:1995-10-25

Substituent effect on the UV spectra of diphenylfulvens

LU WENXING;YAN CHAOGUO;XI GUOWANG;XU WENQIN   

  • Published:1995-10-25

通过芴和芳香醛在相转移催化剂三乙基苄基氯化铵存在下发生缩合反应,合成了12个标题化合物, 测定了前7个化合物在17种溶剂中的紫外光谱, 在极性和非极性溶剂中, 其紫外光谱的最大吸收峰频率与Hammett亲电取代常数之间呈良好的线性关系。

关键词: 芳香族醛, 取代基效应, 紫外分光光度法, 二苯并富烯, 缩合反应, 相转移催化, 芴, 红外分光光度法, 元素分析

Twelve diphenylfulvenes were synthesized by the condensation of fluorene with aromatic aldehydes in alkaline solution in the presence of phase transfor catalysis (PTC). The UV Spectra of compounds 1~7 in seventeen solvents have been measured. A linear relationship be-tween Vmax ^U^V and│σp^+│ is obtained.

Key words: ULTRAVIOLET SPECTROPHOTOMETRY, AROMATIC ALDEHYDE, CONDENSATION REACTION, SUBSTITUENT EFFECT, PHASE TRANSFER CATALYSIS, INFRARED SPECTROPHOTOMETRY, FLUORENE, ELEMENTAL ANALYSIS

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