[PDF] Top 20 J. Braz. Chem. Soc. vol.14 número6
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J. Braz. Chem. Soc. vol.14 número6
... (23%), química de coordenação (21%), catálise (13%), aplicações da química inorgânica (11%), materiais e nanotecnologia (8%), eletroquímica (7%), química teórica (6%), química organometálica (5%), química supramo- ... See full document
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J. Braz. Chem. Soc. vol.14 número6
... 3. Bocanegra-Diaz, A.; Mohallem, N.D.S.; Sinisterra, R.D; PCT / BR 02/00155, 2002; Molday R. S.; U.S. Pat 4,452,773, 1982; Pilgrimm, H.; U.S. Pat 6,274,121, 2001; Groman, E.V.; Josephson, L.; Lewis, J.M; U.S. Pat ... See full document
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J. Braz. Chem. Soc. vol.14 número6
... On the other hand, N -allylic imine 11 was obtained in good yield and high purity by reacting piperonyl azide 3.. with Ph 3 P and 3-nitrobenzaldehyde in CH 2 Cl 2 , followed.[r] ... See full document
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J. Braz. Chem. Soc. vol.14 número6
... Chemical transformations of the C-ring abietic acid (1a) for the preparation of some new chiral synthons are described. From the intermediate keto-aldehyde 9, readily available from 1b through the ozonide 2, the new ... See full document
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J. Braz. Chem. Soc. vol.14 número6
... The reaction of cyclic, acyclic and α -chloro-substituted β -dicarbonyl compounds with amines or their corresponding ammonium acetates was carried out using K-10 as solid support and a [r] ... See full document
4
J. Braz. Chem. Soc. vol.14 número6
... Method C. From 14. To a stirred solution of 14 (3.61 g, 10 mmol) in anhydrous THF (20 mL) under argon atmosphere, a solution of tetrabutylammonium fluoride (TBAF, 5.23 g, 20 mmol) in THF (20 mL) was added. ... See full document
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J. Braz. Chem. Soc. vol.14 número6
... (7.05T), Varian Inova (11.7T) spectrometers. Chemical shifts ( δ) are recorded in ppm with the solvent resonance as the internal standard and coupling constants (J) recorded in Hz. Signals for rotational and/or ... See full document
12
J. Braz. Chem. Soc. vol.14 número6
... The most important issue of these data is that middle chain phosphate groups are mainly detected in the gel, and supernatant liquid spectrum is dominated orthophosphate and chain end gro[r] ... See full document
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J. Braz. Chem. Soc. vol.14 número6
... 18. Michelin, R. A.; Mozzon, M.; Bertani, R.; Coord. Chem. Rev. 1996, 147, 299; Garnovskii, D. A.; Kukushkin, V. Y.; Haukka, M.; Wagner, G.;. Pombeiro, A. J. L.; J. Chem. Soc., Dalton ... See full document
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J. Braz. Chem. Soc. vol.14 número6
... 22. Schubert, U.; Neugebauer, D.; Scharf, W. J.; J. Organomet. Chem. Commun. 1981, 205, 159; Erker, G.; Engel, K., Atwood, J. L.; Hunter, W. E.; Angew. Chem. Int. Ed. Engl. 1983, 22, ... See full document
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J. Braz. Chem. Soc. vol.14 número6
... The cyclic voltammograms of glassy carbon electrodes modified with TRPz alone or TRPz/CuTSPc layered films exhibit a pair of bell shaped waves at 0.9 V, in LiTFMS aqueous solution (Figur[r] ... See full document
25
J. Braz. Chem. Soc. vol.14 número6
... Optically active triorganotin hydrides were also synthesized by reduction of a racemic triorganotin halide with a chiral aluminium hydride (Scheme 16): 24-265. The triorganotin hydride o[r] ... See full document
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J. Braz. Chem. Soc. vol.14 número6
... In this account we present the results of our own studies, as well as those of other research groups, on models related to different aspects of its metabolism and detoxification and to v[r] ... See full document
11
J. Braz. Chem. Soc. vol.14 número6
... 6,7 To be suitable for application in DSSC, the dyes must present, among other characteristics, a strong absorption in the visible range; high stability and reversibility in the oxidize[r] ... See full document
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J. Braz. Chem. Soc. vol.14 número6
... 24. Baistrocchi, P.; Cauzzi, D.; Lanfranchi, M.; Predieri, G.; Tiripicchio, A.; Tiripicchio Camellini, M.; Inorg. Chim. Acta 1995, 235, 173; Cauzzi, D.; Graiff, C.; Predieri, G.; Tiripicchio, A. In Metal Clusters in ... See full document
6
J. Braz. Chem. Soc. vol.14 número6
... It is well known that DMSO is a coordinating solvent with a high donor number on Gutmann’s scale. 24 The formation of mono-zincpyridinates on porphyrins moieties is very well documented[r] ... See full document
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J. Braz. Chem. Soc. vol.14 número5
... 1. For some recent reviews see: Chu, T. D. W.; Fernandez, P. B.; Adv. Drug Res. 1991, 21, 39; Wentland, M. P. In The New Generation of Quinolones; Siporin, C.; Heifetz, C. L.; Domagala, J. M., eds.; Maecel Dekker ... See full document
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J. Braz. Chem. Soc. vol.14 número4
... The slopes of these plots, when linear, can be combined with known film thickness and amount of electroactive species incorporated (obtained by coulometric integration of CV peaks under [r] ... See full document
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J. Braz. Chem. Soc. vol.14 número4
... In opposition to the electrochemical reaction of hydrogen, the oxidation of methanol requires special attention due to the difficulty in splitting the molecule, adsorbed at the catalyst [r] ... See full document
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J. Braz. Chem. Soc. vol.14 número4
... 16. After prolonged electro-reduction, the PTFE case was ob- served to turn black where the mesh touched the PTFE. This is attributed to the reduction of carbon-fluorine bonds of PTFE to yield surface carbon - see ... See full document
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