Novel Aza-Substituted Benzothiazol and 1,2,4-Triazol Cyanine Dyes: Synthesis, Characterization and Properties

Journal: Vol.6, No.1, Winter 2013 - Article 5   Pages :   Until 

Article Code:

Farahnaz Nourmohammadian: Institute of Color Science and Technology - Department of Organic Colorants

Article's abstract:

Series of novel dichromophoric cyanine dyes based on 2-aminobenzothiazoles and 3-amino-1,2,4 -triazole have been synthesized in high yields. All the dyes have been classified as disperse dyes. Besides their electronic spectroscopic properties, high dye-uptakes on polyester, excellent fastness properties, highly extinction coefficients, and broad solvatochromic effects have been observed in these novels disperse dyes. The derivatives of amino triazole were appropriate as pH indicator in the range of 11-13.

Dichromophoric, cyanine dyes, solvatochromic effects, aminobenzothiazole.

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Prof. Zahra Ranjbar
Dr. Farahnaz Nourmohammadian
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Dr. Mozhgan Hosseinnezhad
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Institute for Color Science and Technology (ICST)

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