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Resultados 1-10 de 60.
2009Synthesis, binding properties and theoretical studies of p-tert-butylhexahomotrioxacalix[3]arene tri(adamantyl)ketone with alkali, alkaline earth, transition, heavy metal and lanthanide cationsMarcos, Paula M.; Ascenso, Jose R.; Segurado, Manuel A. P.; Bernardino, Raul J.; Cragg, Peter J.articlerestrictedAccess
2005Decomposition of N '-benzoyl-N-nitrosoureas in aqueous mediaFaustino, C; Garcia-Rio, L; Leis, JR; Norberto, FarticlerestrictedAccess
2007Chlorination of 2-phenoxypropanoic acid with NCP in aqueous acetic acidSegurado, Manuel A. P.; Reis, Joao Carlos R.; de Oliveira, Jaime D. Gomes; Kabilan, Senthamaraikannan; Shanthi, ManohararticlerestrictedAccess
2003Structural elucidation of natural 2-hydroxy di- and tricarboxylic acids and esters, phenylpropanoid esters and a flavonoid from Autonoe madeirensis using gas chromatographic/electron ionization, electrospray ionization and tandem mass spectrometric techniquesDias, C; Dias, M; Borges, C; Ferreira, MAA; Paulo, A; Nascimento, JarticlerestrictedAccess
2002Oxidation of benzyl alcohol by pyridinium dichromate in acetonitrile. Using the para/meta ratio of substituent effects for mechanism elucidationKabilan, S; Girija, R; Reis, JCR; Segurado, MAP; de Oliveira, JDGarticlerestrictedAccess
2004The quaternisation reaction of phosphines and amines in aliphatic alcohols. A similarity analysis using the isokinetic, isosolvent and isoselective relationshipsPinheiro, LMV; Calado, ART; Reis, JCRarticlerestrictedAccess
2002New evidence for through-space transmission of substituent effects in benzene derivativesSegurado, MAP; Reis, JCR; de Oliveira, JDGarticlerestrictedAccess
2000Quaternization reaction of aromatic heterocyclic imines in methanol - A case of strong anti-reactivity selectivity principle with isoselective temperatureAlfaia, AJI; Calado, ART; Reis, JCRarticlerestrictedAccess
2006Synthesis, NMR characterization and ion binding properties of 1,3-bridged p-tert-butyldihomooxacalix[4]crown-6 bearing pyridyl pendant groupsMarcos, PM; Ascenso, JRarticlerestrictedAccess
2002Synthesis, conformational behaviour, alkali and alkaline-earth metal cation extraction and transport studies of p-tert-butyldihomooxacalix[4]crownsMarcos, PM; Felix, S; Ascenso, JR; Santos, MA; Segurado, MAP; Pereira, JLCarticlerestrictedAccess