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Synthesis of novel derivatives of a versatile synthon : 4-amino-3-cyanopyrazole

Bibliographic Details
Main Author: Rodrigues, Lígia M.
Publication Date: 2004
Other Authors: Campos, Ana M. F. Oliveira, Kaja, Martin, Hrdina, Radim
Language: eng
Source: Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
Download full: http://hdl.handle.net/1822/1971
Summary: Diazotisation of substituted arylamines followed by reaction with malononitrile gave substituted arylazomalononitriles. Cyclisation of these intermediates with two carbon sources and base gave the corresponding new 4-amino-3-cyanopyrazoles, in moderate yields. In one case the corresponding oxo-pyrazolopyrimidine was prepared.
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spelling Synthesis of novel derivatives of a versatile synthon : 4-amino-3-cyanopyrazoleCyanopyrazoleOxo-pyrazolopyrimidinePyrazoleDiazotisation of substituted arylamines followed by reaction with malononitrile gave substituted arylazomalononitriles. Cyclisation of these intermediates with two carbon sources and base gave the corresponding new 4-amino-3-cyanopyrazoles, in moderate yields. In one case the corresponding oxo-pyrazolopyrimidine was prepared.Fundação para a Ciência e Tecnologia - Programa Sócrates.Research Institute of Organic SynthesisUniversidade do MinhoRodrigues, Lígia M.Campos, Ana M. F. OliveiraKaja, MartinHrdina, Radim2004-052004-05-01T00:00:00Zconference paperinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/1822/1971engINTERNATIONAL CONFERENCE ON DYES PIGMENTS AND FUNCTIONAL DYES, 10, Pardubice, República Checa, 2004. [S.l. : s.n.], [2004?].info: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:RCAAP2024-05-11T07:02:30Zoai:repositorium.sdum.uminho.pt:1822/1971Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireinfo@rcaap.ptopendoar:https://opendoar.ac.uk/repository/71602025-05-28T16:13:29.506038Repositórios 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 novel derivatives of a versatile synthon : 4-amino-3-cyanopyrazole
title Synthesis of novel derivatives of a versatile synthon : 4-amino-3-cyanopyrazole
spellingShingle Synthesis of novel derivatives of a versatile synthon : 4-amino-3-cyanopyrazole
Rodrigues, Lígia M.
Cyanopyrazole
Oxo-pyrazolopyrimidine
Pyrazole
title_short Synthesis of novel derivatives of a versatile synthon : 4-amino-3-cyanopyrazole
title_full Synthesis of novel derivatives of a versatile synthon : 4-amino-3-cyanopyrazole
title_fullStr Synthesis of novel derivatives of a versatile synthon : 4-amino-3-cyanopyrazole
title_full_unstemmed Synthesis of novel derivatives of a versatile synthon : 4-amino-3-cyanopyrazole
title_sort Synthesis of novel derivatives of a versatile synthon : 4-amino-3-cyanopyrazole
author Rodrigues, Lígia M.
author_facet Rodrigues, Lígia M.
Campos, Ana M. F. Oliveira
Kaja, Martin
Hrdina, Radim
author_role author
author2 Campos, Ana M. F. Oliveira
Kaja, Martin
Hrdina, Radim
author2_role author
author
author
dc.contributor.none.fl_str_mv Universidade do Minho
dc.contributor.author.fl_str_mv Rodrigues, Lígia M.
Campos, Ana M. F. Oliveira
Kaja, Martin
Hrdina, Radim
dc.subject.por.fl_str_mv Cyanopyrazole
Oxo-pyrazolopyrimidine
Pyrazole
topic Cyanopyrazole
Oxo-pyrazolopyrimidine
Pyrazole
description Diazotisation of substituted arylamines followed by reaction with malononitrile gave substituted arylazomalononitriles. Cyclisation of these intermediates with two carbon sources and base gave the corresponding new 4-amino-3-cyanopyrazoles, in moderate yields. In one case the corresponding oxo-pyrazolopyrimidine was prepared.
publishDate 2004
dc.date.none.fl_str_mv 2004-05
2004-05-01T00:00:00Z
dc.type.driver.fl_str_mv conference paper
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/1822/1971
url http://hdl.handle.net/1822/1971
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv INTERNATIONAL CONFERENCE ON DYES PIGMENTS AND FUNCTIONAL DYES, 10, Pardubice, República Checa, 2004. [S.l. : s.n.], [2004?].
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 Research Institute of Organic Synthesis
publisher.none.fl_str_mv Research Institute of Organic Synthesis
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
instacron_str RCAAP
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
_version_ 1833595814724763648

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