Solubility of pharmaceutical compounds in ionic liquids
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10400.9/2327 |
Resumo: | The solubility of N-acetyl-l-cysteine, coumarin and 4-hydroxycoumarin in alternative solvents was studied in this work. The solid–liquid equilibrium (SLE) measurements have been performed using a dynamic(synthetic) method. Melting points and enthalpies of fusion of the pharmaceutical compounds were acquired using a differential scanning calorimetry (DSC). The solubility of N-acetyl-l-cysteine and 4-hydroxycoumarin in trifluoromethanesulfonate ionic liquids was found to be significantly higher thanin the studied bis(trifluoromethylsulfonyl)amide ionic liquids while coumarin exhibited the oppositebehaviour.The solid–liquid phase equilibria were described using the six different correlation equations whichrevealed a good description with an acceptable standard deviation temperature range.Moreover, the solubility data were used to calculate the 1-octanol/water partition coefficients of thestudied drugs. Coumarin has a high partition coefficient, which is considered to be favourable for a rapidabsorption of compounds once they are in an aqueous solution. N-acetyl-l-cysteine showed oppositeresults for the system with 1-octanol/water. |
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Solubility of pharmaceutical compounds in ionic liquidsSolubilitySolid–liquid equilibriumIonic liquidsThermochemical propertiesPartition coefficientThe solubility of N-acetyl-l-cysteine, coumarin and 4-hydroxycoumarin in alternative solvents was studied in this work. The solid–liquid equilibrium (SLE) measurements have been performed using a dynamic(synthetic) method. Melting points and enthalpies of fusion of the pharmaceutical compounds were acquired using a differential scanning calorimetry (DSC). The solubility of N-acetyl-l-cysteine and 4-hydroxycoumarin in trifluoromethanesulfonate ionic liquids was found to be significantly higher thanin the studied bis(trifluoromethylsulfonyl)amide ionic liquids while coumarin exhibited the oppositebehaviour.The solid–liquid phase equilibria were described using the six different correlation equations whichrevealed a good description with an acceptable standard deviation temperature range.Moreover, the solubility data were used to calculate the 1-octanol/water partition coefficients of thestudied drugs. Coumarin has a high partition coefficient, which is considered to be favourable for a rapidabsorption of compounds once they are in an aqueous solution. N-acetyl-l-cysteine showed oppositeresults for the system with 1-octanol/water.ElsevierRepositório do LNEGSantos, Ana Duarte dosMorais, Ana Rita C.Melo, Catarina I.Lukasik, Rafal M.Bogel-Lukasik, Ewa2014-03-19T17:33:56Z20132013-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.9/2327engSantos, Ana D. dos; Morais, Ana R.C.; Melo, C.; Bogel-Lukasik, R.; Bogel-Lukasik, E. Solubility of pharmaceutical compounds in ionic liquids. In: Fluid Phase Equilibria, Vol. 356, p. 18-290378-3812info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-11-26T06:44:14Zoai:repositorio.lneg.pt:10400.9/2327Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T15:35:13.258279Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Solubility of pharmaceutical compounds in ionic liquids |
title |
Solubility of pharmaceutical compounds in ionic liquids |
spellingShingle |
Solubility of pharmaceutical compounds in ionic liquids Santos, Ana Duarte dos Solubility Solid–liquid equilibrium Ionic liquids Thermochemical properties Partition coefficient |
title_short |
Solubility of pharmaceutical compounds in ionic liquids |
title_full |
Solubility of pharmaceutical compounds in ionic liquids |
title_fullStr |
Solubility of pharmaceutical compounds in ionic liquids |
title_full_unstemmed |
Solubility of pharmaceutical compounds in ionic liquids |
title_sort |
Solubility of pharmaceutical compounds in ionic liquids |
author |
Santos, Ana Duarte dos |
author_facet |
Santos, Ana Duarte dos Morais, Ana Rita C. Melo, Catarina I. Lukasik, Rafal M. Bogel-Lukasik, Ewa |
author_role |
author |
author2 |
Morais, Ana Rita C. Melo, Catarina I. Lukasik, Rafal M. Bogel-Lukasik, Ewa |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Repositório do LNEG |
dc.contributor.author.fl_str_mv |
Santos, Ana Duarte dos Morais, Ana Rita C. Melo, Catarina I. Lukasik, Rafal M. Bogel-Lukasik, Ewa |
dc.subject.por.fl_str_mv |
Solubility Solid–liquid equilibrium Ionic liquids Thermochemical properties Partition coefficient |
topic |
Solubility Solid–liquid equilibrium Ionic liquids Thermochemical properties Partition coefficient |
description |
The solubility of N-acetyl-l-cysteine, coumarin and 4-hydroxycoumarin in alternative solvents was studied in this work. The solid–liquid equilibrium (SLE) measurements have been performed using a dynamic(synthetic) method. Melting points and enthalpies of fusion of the pharmaceutical compounds were acquired using a differential scanning calorimetry (DSC). The solubility of N-acetyl-l-cysteine and 4-hydroxycoumarin in trifluoromethanesulfonate ionic liquids was found to be significantly higher thanin the studied bis(trifluoromethylsulfonyl)amide ionic liquids while coumarin exhibited the oppositebehaviour.The solid–liquid phase equilibria were described using the six different correlation equations whichrevealed a good description with an acceptable standard deviation temperature range.Moreover, the solubility data were used to calculate the 1-octanol/water partition coefficients of thestudied drugs. Coumarin has a high partition coefficient, which is considered to be favourable for a rapidabsorption of compounds once they are in an aqueous solution. N-acetyl-l-cysteine showed oppositeresults for the system with 1-octanol/water. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013 2013-01-01T00:00:00Z 2014-03-19T17:33:56Z |
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 |
http://hdl.handle.net/10400.9/2327 |
url |
http://hdl.handle.net/10400.9/2327 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Santos, Ana D. dos; Morais, Ana R.C.; Melo, C.; Bogel-Lukasik, R.; Bogel-Lukasik, E. Solubility of pharmaceutical compounds in ionic liquids. In: Fluid Phase Equilibria, Vol. 356, p. 18-29 0378-3812 |
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 |
publisher.none.fl_str_mv |
Elsevier |
dc.source.none.fl_str_mv |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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RCAAP |
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RCAAP |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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1799130217775628288 |