Studies on Synthesis, Characterization and Properties of meso-Tetrakis(3-alkoxyphenyl)porphyrins and Their Copper(Ⅱ) Complexes

Chem. J. Chinese Universities

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^{Studies on Synthesis, Characterization and Properties of meso-Tetrakis(3-alkoxyphenyl)porphyrins and Their Copper(Ⅱ) Complexes}

ZHAO Hong-Bin^1,2*; WANG Xia-Yu¹; CHANG Hui²; NING Jing-Heng¹; QI Hong-Rui¹; ZHOU Fu-Hui¹

1. College of Chemistry, Xiangtan University, Xiangtan 411105, China；
2. Faculty of Chemical Biotechnology, Dongguan University of Technology,
Dongguan 523808, China

Received:2005-07-01 Revised:1900-01-01 Online:2006-07-10 Published:2006-07-10
Contact: ZHAO Hong-Bin

Abstract

Abstract: meso-Tetrakis(3-alkoxyphenyl)porphyrin[meso-T(3-ROP)PH₂]were synthesized by the condensation of 3-alkoxybenzaldehydes with pyrrole, reacted with copper(Ⅱ) acetates to form the corresponding complexes[meso-T(3-ROP)PCu]. Among them there are sixteen new compounds. For the first time, meso-T(3-ROP)PH₂ and meso-T(3-ROP)PCu were generated as crystals or solids. Molecular structures of all the synthesized compounds were confirmed by IR, UV, ¹H NMR, MS and elemental analysis. Differential scanning calorimetry and polarizing microscope were used to probe the liquid crystal properties of the serial compounds. Thirteen compounds were found to exhibit liquid crystal properties. However, they displayed as heating monotropic liquid crystals. The effects of alkoxy chains, metal ions of complexes and molecular space structure on the liquid crystal properties were investigated.

Key words: meso-Tetrakis(3-alkoxyphenyl)porphyrins, Copper complexes of porphyrin, Synthesis, Characterization, Liquid crystal property

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ZHAO Hong-Bin^1,2*; WANG Xia-Yu¹; CHANG Hui²; NING Jing-Heng¹; QI Hong-Rui¹; ZHOU Fu-Hui¹.

^{Studies on Synthesis, Characterization and Properties of meso-Tetrakis(3-alkoxyphenyl)porphyrins and Their Copper(Ⅱ) Complexes}

[J]. Chem. J. Chinese Universities, doi: .

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^{Studies on Synthesis, Characterization and Properties of meso-Tetrakis(3-alkoxyphenyl)porphyrins and Their Copper(Ⅱ) Complexes}

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