Synthesis of dyes derived from 1-aryl-5-amino-4-cyanopyrazoles

Gupta, Sanjay
Sivasubramanian, Aravind
Rodrigues, Lígia M.
Esteves, Ana Paula
Hrdina, Radim
Campos, Ana M. F. Oliveira

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Publication date

January 2007

DOI

10.1016/j.dyepig.2006.04.016

Publisher

Elsevier BV

ISSN

0143-7208

Journal

Dyes and Pigments

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Abstract

Eight dyes were prepared by diazotisation of substituted amino-cyano pyrazoles and coupling to anilines or 2-naphthol. The dyes were fully characterised by spectroscopic techniques. The cyano group of the pyrazoles was found to be susceptible to hydrolysis during preparation.Fundação para a Ciência e Tecnologia - SFRH/BPD/20816/2004.FEDER.Ministry of Education, Youth and Sports of the Czech Republic - Project CZ 351002

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Synthesis of dyes derived from 1-aryl-5-amino-4-cyanopyrazoles

Abstract

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Synthesis of dyes derived from 1-aryl-5-amino-4-cyanopyrazoles

Abstract

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