Synthesis, Characterization and Liquid Cryatal Properties of μ-Oxo-bis[meso-tetrakis(4-alkoxyphenyl)porphyrin Aluminum(III)]

Chin. J. Org. Chem. ›› 2007, Vol. 27 ›› Issue (06): 778-782. Previous Articles Next Articles

Original Articles

μ-氧-双[meso-四(对烷氧基苯基)卟啉合铝(III)]的合成、表征和液晶性能研究

刘捷频^a，赵鸿斌*^,a,b，徐勇军^b，曹华^a，陈科^a
胡羽^a，许兰兰^a

(^a湘潭大学化学学院湘潭 411105)
(^b东莞理工学院化学生物工程系东莞 523808)

收稿日期:2006-09-06 修回日期:2007-03-27 发布日期:2007-05-21
通讯作者: 赵鸿斌

Synthesis, Characterization and Liquid Cryatal Properties of μ-Oxo-bis[meso-tetrakis(4-alkoxyphenyl)porphyrin Aluminum(III)]

LIU Jie-Pin^a, ZHAO Hong-Bin*^a, b, XU Yong-Jun^b, CAO Hua^a, CHEN Ke^a,
HU Yu^a, XU Lan-Lan^a

(^aCollege of Chemistry, Xiangtan University, Xiangtan 411105)
(^bFaculty of Chemical Biotechnology, Dongguan Universtiy of Technology, Dongguan 523808)

Received:2006-09-06 Revised:2007-03-27 Published:2007-05-21
Contact: ZHAO Hong-Bin

Abstract

A series of novel μ-oxo-bis[meso-tetrakis(4-alkoxyphenyl)porphyrin aluminum(III)] were synthesized. Their molecular structures were characterized by UV-vis, ¹H NMR, IR, MS spectra and elemental analysis, the results show that there two porphyrin molecules linked across Al—O—Al bond to form a dimer. Differential scanning calorimetry (DSC) and polarizing microscope (PM) were used to study their liquid properties. Among them, nine are found to exhibit liquid crystal (LC) properties, and most of them displayed as heating monotropic liquid crystals. There are one or two mesophases and certain phase transition temperature, ΔH and temperature range of liquid crystal (ΔT). The effects of alkoxy chains, metal ions of complexes and molecular space structure on liquid properties have been investigated.

Key words: synthesis, characterization, liquid crystal property, porphyrinaluminum complex

Cite this article

LIU Jie-Pin^a, ZHAO Hong-Bin*^{a, b}, XU Yong-Jun^b, CAO Hua^a, CHEN Ke^a,
HU Yu^a, XU Lan-Lan^a. Synthesis, Characterization and Liquid Cryatal Properties of μ-Oxo-bis[meso-tetrakis(4-alkoxyphenyl)porphyrin Aluminum(III)][J]. Chin. J. Org. Chem., 2007, 27(06): 778-782.

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μ-氧-双[meso-四(对烷氧基苯基)卟啉合铝(III)]的合成、表征和液晶性能研究

Synthesis, Characterization and Liquid Cryatal Properties of μ-Oxo-bis[meso-tetrakis(4-alkoxyphenyl)porphyrin Aluminum(III)]

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