[PDF] Top 20 J. Braz. Chem. Soc. vol.16 número2 en a22v16n2
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J. Braz. Chem. Soc. vol.16 número2 en a22v16n2
... 1. Kromann, H.; Slok, F. A.; Johansen, T. N.; Krogsgaard-Larsen, P.; Tetrahedron 2001, 57, 2195; Hjeds, H.; Christensen, I. T.; Cornett, C.; Frolund, B.; Falch, E.; Pedersen, J. B.; Krogsgaard- Larsen, P.; Acta ... See full document
5
J. Braz. Chem. Soc. vol.16 número6B
... 9. De Miranda, A. L. P.; Silva, J. R. A.; Rezende, C. M.; Neves, J. S.; Parrini, S. C.; Pinheiro, M. L. B.; Cordeiro, M. C.; Tamborini, E.; Pinto, A. C.; Planta Med. 2000, 66, 284; Andrade, M. T.; Lima, ... See full document
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J. Braz. Chem. Soc. vol.16 número6B
... Raimundo Braz-Filho orientou dezenas de mestres e doutores, hoje professores em diversas universidades brasileiras, é co-autor de livros e capítulos de livros e de quase três centenas de artigos ... See full document
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J. Braz. Chem. Soc. vol.16 número6B
... Raimundo Braz-Filho, eldest of ten siblings, was born April 19, 1935, in the municipality of Pacatuba, Ceará ...Raimundo Braz-Filho began his career in Science in 1960 with a scholarship from Comissão ... See full document
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J. Braz. Chem. Soc. vol.16 número6A
... Henry Taube nasceu na pequena cidade de Neudorf, em Saskatchewan (Canada), em 30 de novembro de 1915. Cresceu em fazenda, em contacto com a natureza e com a vida rural. Na Universidade de Saskatchewan, Taube concluiu sua ... See full document
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J. Braz. Chem. Soc. vol.16 número6A
... Henry Taube was born in Neudorf city (Saskatchewan, Canada), in November 30, 1915. He was grown up on a farm, in contact with nature and rural life. From the University of Saskatchewan, Taube received his B.S. (1935) and ... See full document
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J. Braz. Chem. Soc. vol.16 número6A
... F.E.; Fu, P.P. In Polynuclear Aromatic Hydrocarbons: Measurements, Means, and Metabolism; Cooke, M.; Loening, K.; Merritt, J., eds.; Battelle Press: Columbus, 1991, p. 1.083. 5. Pereira Netto, A.D.; Moreira, J.C.; ... See full document
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J. Braz. Chem. Soc. vol.16 número6B
... similarities with the correlated spectra of (3), also isolated in this study, as shown in Tables 1 and 2. The absence of two doublets, associated to the geminal hydrogens at C-19, very common in structures related to ... See full document
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J. Braz. Chem. Soc. vol.16 número6B
... The transesterification reaction can be catalyzed by both acid and alkaline catalysts, using a homogeneous or heterogeneous catalytic process.. Sodium and potassium hydroxide are commonl[r] ... See full document
18
J. Braz. Chem. Soc. vol.16 número6B
... The root bark of Tabernaemontana hystrix Steud. was collected in March 2002 at Varre e Sai, Rio de Janeiro State, Brazil, and identified by Dr. A. J. M. Leeuwenberg of the Agricultural University of Wageningen, ... See full document
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J. Braz. Chem. Soc. vol.16 número6A
... The assignment of both absorption and emission bands of the Buriti oil was performed based on correlations with the bands present in its individual components.. Experimental.[r] ... See full document
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J. Braz. Chem. Soc. vol.16 número6B
... informations suggested the presence of a δ-lactone moiety for compound 2, with the ring closure through the oxygen between C-19 and C-20. The relative stereochemistry was defined by the small value of the coupling ... See full document
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J. Braz. Chem. Soc. vol.16 número6A
... Multivariate spectrophotometric data were generated based o Beer-Lambert’s law. A matrix C was calculated based on the chemical reactions model and the appropriate formation constants (equilibrium constants). The columns ... See full document
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J. Braz. Chem. Soc. vol.16 número6B
... (Figures 1a and 1b, respectively). Thus, the vinillyc hydrogen H-1 is strongly coupled with the methylenic hydrogens H-2a ( δ 2.11, ddd J 2.8, 7.2 and 13.8 Hz) and H- 2b (δ 2.38, ddd J 6.8, 11.2 and 13.8 ... See full document
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J. Braz. Chem. Soc. vol.16 número6A
... 9 In this work, the authors observed a rhodium π -allyl complex formed from the catalyst and the diene (methyl linoleate), but they did not observe any significant effects of its forma[r] ... See full document
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J. Braz. Chem. Soc. vol.16 número6A
... The discrimination performed by chemometric methods becomes important since different activities are developed in these two regions (industrial activities in São Paulo and agricultural a[r] ... See full document
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J. Braz. Chem. Soc. vol.16 número2 en a13v16n2
... showed 7 methylene carbons (DEPT), instead of 8 of the parent compound, as well as extra methine group signal.. The signal corresponding to C-11 in the substrate, a methylene at 20.21 pp[r] ... See full document
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J. Braz. Chem. Soc. vol.16 número2 en a01v16n2
... At this point in time, prospects for the chemical industry are good in many places of the world and the projections for the Brazilian economy are generally also positive, but the situati[r] ... See full document
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J. Braz. Chem. Soc. vol.16 número2 en a02v16n2
... The microstructure and surface composition effects on the transpassivation behavior of untreated and heat treated at 500 ºC NiTi wires used for implant purposes were investigated by elec[r] ... See full document
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J. Braz. Chem. Soc. vol.16 número2 en a03v16n2
... The gas chromatographic (GC) analyses were carried out on a Hewlett-Packard 5890 series II gas chromato- graphy equipped with a flame ionization detector. Injection of samples was performed at the split mode using a ... See full document
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