Synthesis and Characterization of Two Positional Isomeric Tetraamino-phthalocyanines Zinc(Ⅱ)

Abstract

Abstract: Two pure isomers, 2,9,16,23-tetraamino-phthalocyanine zinc(Ⅱ) and 1,8,15,22-tetraamino-phthalocyanine zinc(Ⅱ), have been prepared in two steps from 4-nitro-o-phenyleneimine and 3-nitro-phthalic anhydride respectively and without using chromatographic fractionation. The synthesized compounds were characterized by using ¹H NMR MALDI-TOF MS and solution phase electronic (UV-Vis) spectroscopy. Dipolymers in their DMF solution and stability of their amino-group antioxidation were confirmed by mass spectroscopy. Amino-group kinetic stability in the former isomer molecule and thermodynamic stability and intra molecular hydrogen bond in the latter isomer molecule were concluded through discussing their 1H NMR and UV-Vis spectroscopy.

Key words: Tetraamino-phthalocyanine zinc(Ⅱ), Synthesis, Characterization, Intramolecular hydrogen bond

CLC Number:

O631

TrendMD:

CONG Fang-Di, DU Xi-Guang, ZHAO Bao-Zhong, LIU Qun, CHEN Bin . Synthesis and Characterization of Two Positional Isomeric Tetraamino-phthalocyanines Zinc(Ⅱ)[J]. Chem. J. Chinese Universities, 2002, 23(12): 2221.

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Synthesis and Characterization of Two Positional Isomeric Tetraamino-phthalocyanines Zinc(Ⅱ)

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