Browsing by Author Abraham, RJ

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PreviewIssue DateTitleAuthor(s)AdvisorType
2008The role of stereoelectronic interactions in the conformational isomerism of some phosphorus-containing model compoundsFreitas, MP; Rittner, R; Tormena, CF; Abraham, RJ-Artigo de periódico
2002Substituent effects on H-1 and C-13 NMR chemical shifts in alpha-monosubstituted ethyl acetates: principal component analysis and H-1 chemical shift calculationsTasic, L; Abraham, RJ; Rittner, R-Artigo de periódico
2005Conformational. properties of trans-2-halo-acetoxycyclohexanes: H-1 NMR, solvation and theoretical investigationFreitas, MP; Tormena, CF; Rittner, R; Abraham, RJ-Artigo de periódico
1996Conformational analysis .27. NMR, solvation and theoretical investigation of conformational isomerism in fluoro- and 1,1-difluoro-acetoneAbraham, RJ; Jones, AD; Warne, MA; Rittner, R; Tormena, CF-Artigo de periódico
2005Conformational analysis and stereoelectronic effects in trans-1,2-dihalocyclohexanes: H-1 NMR and theoretical investigationFreitas, MP; Rittner, R; Tormena, CF; Abraham, RJ-Artigo de periódico
2001Conformational analysis of 2-bromocyclohexanone. A combined NMR, IR, solvation and theoretical approachFreitas, MP; Rittner, R; Tormena, CF; Abraham, RJ-Artigo de periódico
2002Conformational analysis in N-methylfluoroamides. A theoretical, NMR and IR investigationTormena, CF; Amadeu, NS; Ritter, R; Abraham, RJ-Artigo de periódico
20121H NMR Spectra. Part 28: Proton chemical shifts and couplings in three-membered rings. A ring current model for cyclopropane and a novel dihedral angle dependence for 3JHH couplings involving the epoxy protonAbraham, RJ; Leonard, P; Tormena, CF-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
2003Conformational analysis of trans-2-halocyclohexanols and their methyl ethers: a H-1 NMR, theoretical and solvation approachFreitas, MP; Tormena, CF; Rittner, R; Abraham, RJ-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 analysis, Part 32. NMR, solvation and theoretical investigation of conformational isomerism in 3-fluorobutan-2-one and 3,3-difluorobutan-2-oneAbraham, RJ; Tormena, CF; Rittner, R-Artigo de periódico
2004Conformational analysis of fluoroacetoxime and of its O-methyl ether by H-1, C-13 and N-15 NMR and theoretical calculationsTormena, CF; Rittner, R; Abraham, RJ; Basso, EA; Fiorin, BC-Artigo de periódico
2004Conformational behaviour of methyl 2-fluoroesters through theoretical calculations, NMR and IR spectroscopyTormena, CF; Freitas, MP; Rittner, R; Abraham, RJ-Artigo de periódico
2013Studies on the s-cis-trans isomerism for some furan derivatives through IR and NMR spectroscopies and theoretical calculationsRittner, R; Ducati, LC; Tormena, CF; Cormanich, RA; Fiorin, BC; Braga, CB; Abraham, RJ-Artigo de periódico
2006H-1 chemical shifts in NMR. Part 24 - proton chemical shifts in some gem-difunctional compounds: 3-endo- and 3-exo-substituted norbornanonesGauze, GF; Basso, EA; Campos, MG; Rittner, R; Abraham, RJ-Artigo de periódico
2011A H-1 NMR and theoretical investigation of the conformations of some monosubstituted cyclobutanesAbraham, RJ; Leonard, P; Tormena, CF-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
2009Theoretical and Experimental Investigation on the Rotational Isomerism in alpha-FluoroacetophenonesFiorin, BC; Basso, EA; Tormena, CF; Rittner, R; Abraham, RJ-Artigo de periódico
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