期刊
DYES AND PIGMENTS
卷 86, 期 1, 页码 68-73出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2009.11.010
关键词
Zinc phthalocyanine; Carboxy; Naphthol; Fluorescence
资金
- Department of Science and Technology (DST)
- National Research Foundation (NRF), South Africa
Unsymmetrically substituted phthalocyanines 8,15,22-tris-(naphtho)-2-(carboxy)phthalocyanine, [8,15,22-tris-(naphtho)-2-(carboxy)phthalocyanato]zinc(ii), 8,15,22-tris-(naphtho)-4,5-(3-carboxy-1,2-dioxyphenyl)phthalocyanine and [8,15,22-tris-(naphtho)-4,5-(3-carboxy-1,2-dioxyphenoxy)phthalocyanato]zinc(II) were prepared using the mixed phthalonitrile cyclotetramerization of 3-(1-naphthoxy) phthalonitrile with a carboxylic acid phthalonitrile. The phthalocyanines were separated using column chromatography employing a mixture of THF, ammonia and water. The novel compounds were characterized using UV-Vis, IR, H-1 NMR and mass spectrometry as well as elemental analysis. Fluorescence quantum yields were found to range from 0.05 to 0.16. (C) 2009 Elsevier Ltd. All rights reserved.
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