Percorrer por autor Ascenso, JR

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DataTítuloAutor(es)TipoAcesso
2001A Diterpene with a Rearranged Jatrofane Skeleton and other Terpenes from Euphorbia portlandicaMadureira, AM; Ascenso, JR; Ferreira, MJUarticlerestrictedAccess
2006Complexation and transport of alkali and alkaline earth metal cations by p-tert-butyldihomooxacalix[4]arene tetraketone derivativesMarcos, PM; Felix, S; Ascenso, JR; Segurado, MAP; Mellah, B; Abidi, R; Hubscher-Bruder, V; Arnaud-Neu, EarticlerestrictedAccess
2006Complexation and transport of alkali and alkaline earth metal cations by p-tert-butyldihomooxacalix[4]arene tetraketone derivatives (vol 18, pg 2, 2006)Marcos, PM; Felix, S; Ascenso, JR; Segurado, MAP; Mellah, B; Abidi, R; Hubscher-Bruder, V; Arnaud-Neu, FarticlerestrictedAccess
2004Complexation and transport of alkali, alkaline earth, transition and heavy metal cations by p-tert-butyldihomooxacalix[4]arene tetra(diethyl)amideMarcos, PM; Felix, S; Ascenso, JR; Segurado, MAP; Pereira, JLC; Khazaeli-Parsa, P; Hubscher-Bruder, V; Arnaud-Neu, FarticlerestrictedAccess
2000Compostos Terpénicos Isolados de Euphorbia segetalisMadureira, AM; Valente, C; Palma, AC; Ascenso, JR; Ferreira, MJUarticlerestrictedAccess
2001Cycloartane triterpenes from Euphorbia tuckeyanaFerreira, MJU; Pinto, FC; Ascenso, JRarticlerestrictedAccess
2004Euphopubescenol and euphopubescene, two new jatrophane polyesters, and lathyrane-type diterpenes from Euphorbia pubescensValente, C; Pedro, M; Ascenso, JR; Abreu, PM; Nascimento, MSJ; Ferreira, MJUarticlerestrictedAccess
2003Evaluation of the antiviral and antimicrobial activities of triterpenes isolated from Euphorbia segetalisMadureira, AM; Ascenso, JR; Valdeira, L; Duarte, A; Frade, JP; Freitas, G; Ferreira, MJUarticlerestrictedAccess
2004Isoprenoid compounds from Euphorbia portlandica. X-ray structure of lupeportlandol, a new lupane triterpeneMadureira, AM; Duarte, MT; Piedade, MFM; Ascenso, JR; Ferreira, MJUarticlerestrictedAccess
2002p-tert-butyldihomooxacalix[4]arene/p-tert-butylcalix[4]areneMarcos, PM; Ascenso, JR; Segurado, MAP; Pereira, JLCarticlerestrictedAccess
2003Polycyclic Rearranged Jatrofane Derivatives from Euphorbia portlandicaMadureira, AM; Ascenso, JR; Abreu, P; Ferreira, MJUarticlerestrictedAccess
2004Rearranged jatrophane-type diterpenes from Euphorbia species. Evaluation of their effects on the reversal of multidrug resistanceMadureira, AM; Ferreira, MJU; Gyemant, N; Ugocsai, K; Ascenso, JR; Abreu, PM; Hohmann, J; Molnar, JarticlerestrictedAccess
2002Study of the secondary metabolites of the methanol extract of Euforbia pubescens. Evaluation of their antibacterial activityValente, C; Duarte, A; Ascenso, JR; Abreu, PM; Ferreira, MJUarticlerestrictedAccess
2002Synthesis and NMR conformational studies of p-tert-butyldihomooxacalix[4]arene derivatives bearing pyridyl pendant groups at the lower rimMarcos, PM; Ascenso, JR; Pereira, JLCarticlerestrictedAccess
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
2006Synthesis, NMR characterization and ion binding properties of 1,3-bridged p-tert-butyldihomooxacalix[4]crown-6 bearing pyridyl pendant groupsMarcos, PM; Ascenso, JRarticlerestrictedAccess
2001Synthesis, NMR conformational analysis, complexation and transport studies of an inherently chiral dihomooxacalix[4]arene triesterMarcos, PM; Ascenso, JR; Segurado, MAP; Pereira, JLCarticlerestrictedAccess