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

Detalhes bibliográficos
Autor(a) principal: Gupta, Sanjay
Data de Publicação: 2007
Outros Autores: Sivasubramanian, Aravind, Rodrigues, Lígia M., Esteves, Ana Paula, Hrdina, Radim, Campos, Ana M. F. Oliveira
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
Texto Completo: https://hdl.handle.net/1822/5259
Resumo: 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.
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spelling Synthesis of dyes derived from 1-aryl-5-amino-4-cyanopyrazolesCyanopyrazoleAzo dyesDiazotisationScience & TechnologyEight 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.Elsevier ScienceUniversidade do MinhoGupta, SanjaySivasubramanian, AravindRodrigues, Lígia M.Esteves, Ana PaulaHrdina, RadimCampos, Ana M. F. Oliveira20072007-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/1822/5259engGupta, S., Sivasubramanian, A., Rodrigues, L. M., Esteves, A. P., Hrdina, R., & Oliveira-Campos, A. M. F. (2007). Synthesis of dyes derived from 1-aryl-5-amino-4-cyanopyrazoles. Dyes and Pigments (Vol. 75, Issue 1, pp. 82–87). Elsevier BV. https://doi.org/10.1016/j.dyepig.2006.04.0160143-720810.1016/j.dyepig.2006.04.016https://www.sciencedirect.com/science/article/pii/S014372080600180Xinfo:eu-repo/semantics/openAccessreponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiainstacron:RCAAP2025-04-12T04:31:32Zoai:repositorium.sdum.uminho.pt:1822/5259Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireinfo@rcaap.ptopendoar:https://opendoar.ac.uk/repository/71602025-05-28T15:19:47.969048Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiafalse
dc.title.none.fl_str_mv Synthesis of dyes derived from 1-aryl-5-amino-4-cyanopyrazoles
title Synthesis of dyes derived from 1-aryl-5-amino-4-cyanopyrazoles
spellingShingle Synthesis of dyes derived from 1-aryl-5-amino-4-cyanopyrazoles
Gupta, Sanjay
Cyanopyrazole
Azo dyes
Diazotisation
Science & Technology
title_short Synthesis of dyes derived from 1-aryl-5-amino-4-cyanopyrazoles
title_full Synthesis of dyes derived from 1-aryl-5-amino-4-cyanopyrazoles
title_fullStr Synthesis of dyes derived from 1-aryl-5-amino-4-cyanopyrazoles
title_full_unstemmed Synthesis of dyes derived from 1-aryl-5-amino-4-cyanopyrazoles
title_sort Synthesis of dyes derived from 1-aryl-5-amino-4-cyanopyrazoles
author Gupta, Sanjay
author_facet Gupta, Sanjay
Sivasubramanian, Aravind
Rodrigues, Lígia M.
Esteves, Ana Paula
Hrdina, Radim
Campos, Ana M. F. Oliveira
author_role author
author2 Sivasubramanian, Aravind
Rodrigues, Lígia M.
Esteves, Ana Paula
Hrdina, Radim
Campos, Ana M. F. Oliveira
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Universidade do Minho
dc.contributor.author.fl_str_mv Gupta, Sanjay
Sivasubramanian, Aravind
Rodrigues, Lígia M.
Esteves, Ana Paula
Hrdina, Radim
Campos, Ana M. F. Oliveira
dc.subject.por.fl_str_mv Cyanopyrazole
Azo dyes
Diazotisation
Science & Technology
topic Cyanopyrazole
Azo dyes
Diazotisation
Science & Technology
description 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.
publishDate 2007
dc.date.none.fl_str_mv 2007
2007-01-01T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://hdl.handle.net/1822/5259
url https://hdl.handle.net/1822/5259
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Gupta, S., Sivasubramanian, A., Rodrigues, L. M., Esteves, A. P., Hrdina, R., & Oliveira-Campos, A. M. F. (2007). Synthesis of dyes derived from 1-aryl-5-amino-4-cyanopyrazoles. Dyes and Pigments (Vol. 75, Issue 1, pp. 82–87). Elsevier BV. https://doi.org/10.1016/j.dyepig.2006.04.016
0143-7208
10.1016/j.dyepig.2006.04.016
https://www.sciencedirect.com/science/article/pii/S014372080600180X
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier Science
publisher.none.fl_str_mv Elsevier Science
dc.source.none.fl_str_mv reponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron:RCAAP
instname_str FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
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institution RCAAP
reponame_str Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
collection Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
repository.name.fl_str_mv Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
repository.mail.fl_str_mv info@rcaap.pt
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