Preparation, spectroscopic and acidity properties of two hydrazones: an organic lab experiment

Detalhes bibliográficos
Autor(a) principal: Rezende,Marcos Caroli
Data de Publicação: 2007
Outros Autores: Pizarro,Claudia, Millán,Daniela
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Química Nova (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422007000100037
Resumo: An undergraduate organic lab experiment is described based on the preparation of two readily accessible hydrazones. The UV-visible spectra of these N-H acids and of their conjugate bases are employed to illustrate the importance of through-conjugation in determining their acid strength and their internal charge-transfer-band transitions.
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spelling Preparation, spectroscopic and acidity properties of two hydrazones: an organic lab experimentpolynitrophenylhydrazonescharge-transfer bandsacid-base indicatorsAn undergraduate organic lab experiment is described based on the preparation of two readily accessible hydrazones. The UV-visible spectra of these N-H acids and of their conjugate bases are employed to illustrate the importance of through-conjugation in determining their acid strength and their internal charge-transfer-band transitions.Sociedade Brasileira de Química2007-02-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422007000100037Química Nova v.30 n.1 2007reponame:Química Nova (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0100-40422007000100037info:eu-repo/semantics/openAccessRezende,Marcos CaroliPizarro,ClaudiaMillán,Danielaeng2007-02-23T00:00:00Zoai:scielo:S0100-40422007000100037Revistahttps://www.scielo.br/j/qn/ONGhttps://old.scielo.br/oai/scielo-oai.phpquimicanova@sbq.org.br1678-70640100-4042opendoar:2007-02-23T00:00Química Nova (Online) - Sociedade Brasileira de Química (SBQ)false
dc.title.none.fl_str_mv Preparation, spectroscopic and acidity properties of two hydrazones: an organic lab experiment
title Preparation, spectroscopic and acidity properties of two hydrazones: an organic lab experiment
spellingShingle Preparation, spectroscopic and acidity properties of two hydrazones: an organic lab experiment
Rezende,Marcos Caroli
polynitrophenylhydrazones
charge-transfer bands
acid-base indicators
title_short Preparation, spectroscopic and acidity properties of two hydrazones: an organic lab experiment
title_full Preparation, spectroscopic and acidity properties of two hydrazones: an organic lab experiment
title_fullStr Preparation, spectroscopic and acidity properties of two hydrazones: an organic lab experiment
title_full_unstemmed Preparation, spectroscopic and acidity properties of two hydrazones: an organic lab experiment
title_sort Preparation, spectroscopic and acidity properties of two hydrazones: an organic lab experiment
author Rezende,Marcos Caroli
author_facet Rezende,Marcos Caroli
Pizarro,Claudia
Millán,Daniela
author_role author
author2 Pizarro,Claudia
Millán,Daniela
author2_role author
author
dc.contributor.author.fl_str_mv Rezende,Marcos Caroli
Pizarro,Claudia
Millán,Daniela
dc.subject.por.fl_str_mv polynitrophenylhydrazones
charge-transfer bands
acid-base indicators
topic polynitrophenylhydrazones
charge-transfer bands
acid-base indicators
description An undergraduate organic lab experiment is described based on the preparation of two readily accessible hydrazones. The UV-visible spectra of these N-H acids and of their conjugate bases are employed to illustrate the importance of through-conjugation in determining their acid strength and their internal charge-transfer-band transitions.
publishDate 2007
dc.date.none.fl_str_mv 2007-02-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422007000100037
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422007000100037
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S0100-40422007000100037
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Brasileira de Química
publisher.none.fl_str_mv Sociedade Brasileira de Química
dc.source.none.fl_str_mv Química Nova v.30 n.1 2007
reponame:Química Nova (Online)
instname:Sociedade Brasileira de Química (SBQ)
instacron:SBQ
instname_str Sociedade Brasileira de Química (SBQ)
instacron_str SBQ
institution SBQ
reponame_str Química Nova (Online)
collection Química Nova (Online)
repository.name.fl_str_mv Química Nova (Online) - Sociedade Brasileira de Química (SBQ)
repository.mail.fl_str_mv quimicanova@sbq.org.br
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