Browsing by Author Rittner, R

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PreviewIssue DateTitleAuthor(s)AdvisorType
2013A critical evaluation of the s-cis-trans isomerism of 2-acetylpyrrole and its N-methyl derivative through infrared and NMR spectroscopies and theoretical calculationsDucati, LC; Braga, CB; Rittner, R; Tormena, CF-Artigo de periódico
2014A study of the rotational barriers for some organic compounds using the G3 and G3CEP theoriesPereira, DH; Ducati, LC; Rittner, R; Custodio, R-Artigo de periódico
2006A theoretical investigation of steric effects on H-1 chemical shifts of camphor and norcamphor derivativesYoneda, JD; Seidl, PR; Leal, KZ; Campos, MG; Rittner, R-Artigo de periódico
2013A theoretical and experimental 1H NMR spectroscopy study of the stereoelectronic interactions that rule the conformational energies of alanine and valine methyl esterCormanich, RA; Ducati, LC; Tormena, CF; Rittner, R-Artigo de periódico
2011Are hydrogen bonds responsible for glycine conformational preferences?Cormanich, RA; Ducati, LC; Rittner, R-Artigo de periódico
2008An investigation of the electronic structure of some 3-monosubstituted-2-methylpropenes through computational chemistry and photoelectron spectroscopySchuquel, ITA; Ducati, LC; Custodio, R; Rittner, R; Klapstein, D-Artigo de periódico
2006An investigation of chlorophenol proton affinities and their influence on the biological activity of microorganismsBasheer, MM; Custodio, R; Volpe, PLO; Rittner, R-Artigo de periódico
2002An NMR, IR and theoretical investigation of the methyl effect on conformational isomerism in 3-fluoro-3-methyl-2-butanone and 1-fluoro-3,3-dimethyl-2-butanoneTormena, CF; Rittner, R; Abraham, RJ-Artigo de periódico
2008Assignments of (1)H and (13)C NMR spectral data for benzoylecgonine, a cocaine metabolitePedersoli, S; Lombardi, L; Hoehr, NF; Rittner, R-Artigo de periódico
2000Axial/equatorial populations in alpha-hetero-substituted cyclohexanone oximes and O-methyl oximesRibeiro, DS; Olivato, PR; Rittner, R-Artigo de periódico
2008In silico prediction of novel phosphodiesterase type-5 inhibitors derived from Sildenafil, Vardenafil and TadalafilAntunes, JE; Freitas, MP; da Cunha, EFF; Ramalho, TC; Rittner, R-Artigo de periódico
2002A H-1 NMR and molecular modelling investigation of diastereotopic methylene hydrogen atomsTormena, CF; Freitas, MP; Rittner, R; Abraham, RJ-Artigo de periódico
2009alpha-Substituent effects on C-13 NMR chemical shifts in some aliphatic compounds: Application of principal component analysis (PCA)Tasic, L; Rittner, R-Artigo de periódico
2011Alkyl Group Effect on the Conformational Isomerism of trans-2-Bromoalkoxycyclohexanes Analyzed by NMR Spectroscopy and Theoretical CalculationsSilla, JM; Cormanich, RA; Duarte, CJ; Freitas, MP; Ramalho, TC; Barbosa, TM; Santos, FP; Tormena, CF; Rittner, R-Artigo de periódico
2012Computational evidence for intramolecular hydrogen bonding and nonbonding X center dot center dot center dot O interactions in 2 '-haloflavonolsFonseca, TAO; Freitas, MP; Cormanich, RA; Ramalho, TC; Tormena, CF; Rittner, R-Artigo de periódico
2003Conformational and electronic interaction studies of some para-substituted S-phenyl alpha-ethylsulfonylthioacetatesOlivato, PR; Hui, MLT; Rodrigues, A; Ruiz, R; Rittner, R; Zukerman-Schpector, J; Distefano, G; Dal Colle, M-Artigo de periódico
2004Conformational and electronic interaction studies of some p-substituted alpha-bromo-alpha-ethylsulfonylacetophenonesOlivato, PR; Reis, AKCA; Zukerman-Schpector, J; Rittner, R; Dal Colle, M-Artigo de periódico
2000Conformational analysis. Part 33. An NMR, solvation and theoretical investigation of conformational isomerism in N,N-dimethylfluoroacetamide and N,N-dimethyl-alpha-fluoropropionamideTormena, CF; Rittner, R; Abraham, RJ; Basso, EA; Pontes, RM-Artigo de periódico
2001Conformational analysis. Part 35. NMR, solvation and theoretical investigation of rotational isomerism in methyl fluoroacetate and methyl difluoroacetateAbraham, RJ; Tormena, CF; Rittner, R-Artigo de periódico
1999Conformational and electronic interaction studies of p-substituted alpha-phenoxyacetonesOlivato, PR; Guerrero, SA; Hiu, MLT; Mattos, J; Harms, S; Schimidt, MSV; Rittner, R-Artigo de periódico