联苯基团修饰的联茚满二羟基烯二酮的合成与性质

高等学校化学学报 ›› 2010, Vol. 31 ›› Issue (7): 1360.

联苯基团修饰的联茚满二羟基烯二酮的合成与性质

韩杰, 王娟玉, 庞美丽, 孟继本

南开大学化学学院, 天津 300071

收稿日期:2009-10-23 出版日期:2010-07-10 发布日期:2010-07-10
通讯作者: 韩杰, 男, 博士, 副教授, 主要从事有机光致变色及液晶化合物的合成与性质研究. E-mail: hanjie@nankai.edu.cn
基金资助:
国家自然科学基金(批准号: 20772064)资助.

Synthesis and Photochromic Properties of Biindenyldione Derivatives with Biphenyl Units

HAN Jie*, WANG Juan-Yu, PANG Mei-Li, MENG Ji-Ben

College of Chemistry, Nankai University, Tianjin 300071, China

Received:2009-10-23 Online:2010-07-10 Published:2010-07-10
Contact: HAN Jie. E-mail: hanjie@nankai.edu.cn
Supported by:
国家自然科学基金(批准号: 20772064)资助.

摘要/Abstract

摘要：

合成了联苯基团修饰的联茚满二羟基烯二酮2a和2b, 研究了其光致变色、光致自由基和液晶性质, 讨论了结构与性质之间的关系. 结果表明, 两种目标化合物在固态下均具有光致变色和光致自由基性质, 但都不具有液晶性质. 当联苯基团与联茚满二羟基烯二酮母体结构单元之间的烷氧基链较短时, 光致变色现象更显著.

关键词: 联茚满烯二酮; 联苯; 光致变色

Abstract:

Two new biindenylidenedione derivatives with side biphenyl units were synthesized and characterized by ¹H NMR, ¹³C NMR, MS and elemental analysis. The photochromic and photo-generated radical properties were investigated by means of solid UV-Vis spectroscopy and electron spin resonance(ESR), respectively, and the liquid crystalline property was examined by means of polarized optical microscopy(POM) and differential scanning calorimetry(DSC). The results show that the title compounds simultaneously exhibit photochromism and photo-generated radical properties in solid state, but display no liquid crystalline property perhaps due to the non-planar structure of the title compounds. The relationship between the structure and properties reveal that the shorter alkoxy chain between the biindenylidenedione and biphenyl moieties is helpful for these compounds to display photochromism.

Key words: Biindenylidenedione; Biphenyl; Photochromism

TrendMD:

韩杰, 王娟玉, 庞美丽, 孟继本. 联苯基团修饰的联茚满二羟基烯二酮的合成与性质. 高等学校化学学报, 2010, 31(7): 1360.

HAN Jie*, WANG Juan-Yu, PANG Mei-Li, MENG Ji-Ben. Synthesis and Photochromic Properties of Biindenyldione Derivatives with Biphenyl Units. Chem. J. Chinese Universities, 2010, 31(7): 1360.

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