[PDF] Top 20 J. Braz. Chem. Soc. vol.16 número3A en a01v16n3a
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J. Braz. Chem. Soc. vol.16 número3A en a01v16n3a
... The Chemical Societies of different countries have displayed efforts toward this direction, binding the professionals in research, education, technological development and industry.. The[r] ... See full document
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J. Braz. Chem. Soc. vol.16 número3A
... 13. Some recent processes for preparing fluoxetine or intermediates for its total synthesis: Wallace, H. J.; Hugh, S. C.; Roger, J. A.; AU Patent 4579399, 2000; Wallace, H. J.; Roger, J. A.; ... See full document
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J. Braz. Chem. Soc. vol.16 número3A
... 24. Gaussian 94, Revision D.4, Frisch, M. J.; Trucks, G.W.; Schlegel, H.B.; Gill, P.M.W.; Johnson, B.G.; Robb, M.A.; Cheeseman, J.R.; Keith, T.; Petersson, G.A.; Montgomery, J.A.; Raghavachari, K.; Al-Laham, M.A.; ... See full document
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J. Braz. Chem. Soc. vol.16 número3A
... 5. Groweiss, A.; Shmueli, U.; Kashman, Y.; Tetrahedron Lett. 1980, 21, 3629; Okuda, R.; Sheuer, P. J.; Experientia 1985, 41, 1355; Kashman, Y.; Groweiss, A.; Lidor, R.; Blasberger, D.; Carmely, S.; Tetrahedron ... See full document
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J. Braz. Chem. Soc. vol.16 número3A
... THF. The reaction mixture was stirred at ambient temperature for 16 h then concentrated in vacuo. The crude product was purified by flash chromatography (EtOAc:hexanes 25%) as eluant to give diketone 10 (0.078 g, ... See full document
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J. Braz. Chem. Soc. vol.16 número3A
... Powder X-ray diffraction (XRD) patterns were obtained with a Philips X´Pert instrument using Cu KD radiation (45kV, 40mA), Nitrogen adsorption/desorption isotherms were plotted at -196 °C on a Micromeritics ASAP 2020 ... See full document
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J. Braz. Chem. Soc. vol.16 número3B en a01v163b
... By merging into the nanosciences, dramatic changes of paradigm are already taking place in Physics, Chemistry, Biology, Medicine, Electronics and Materials Science, extrapolating the lim[r] ... See full document
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J. Braz. Chem. Soc. vol.16 número3A
... 1. Caligaris, M.; Randaccio, L. In Comprehensive Coordination Chemistry 2, Wilkinson, G.; Gillard, R.D.; McCleverty, J., eds., Pergamon: Elmsford, New York, 1987; Clague, M.J.; Keder, N.L.; Butler, A.; Inorg. ... 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 número1 en a01v16n1
... of Prof. Raimundo Braz Filho, highlighting his contributions to Brazilian Chemistry. Due to the increase in the number of submissions and in order to prevent special issues from obstructing the flow of regular ... 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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J. Braz. Chem. Soc. vol.16 número2 en a04v16n2
... The diamine is bonded to the cellulose acetate /Al 2 O 3 surface by Al–O–Si covalent bonds and thus, the material obtained is chemically very stable and shows high adsorption capacity i[r] ... See full document
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J. Braz. Chem. Soc. vol.16 número2 en a05v16n2
... extract from leaves of Piper malacophyllum was selected for bioactivity-guided phytochemical investigation due to the strong activity observed against Cladosporium cladosporioides an[r] ... See full document
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J. Braz. Chem. Soc. vol.16 número2 en a07v16n2
... Two matrices were done to study effects of bulk and surface chemical composition on mechanical properties of unrefined and refined samples, respectively. In the first matrix, TrID, TsID, BuID, BeID, EM, DP, SLig, SExt, ... See full document
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J. Braz. Chem. Soc. vol.16 número2 en a09v16n2
... 11. Kwiatkowski, E.; Kwiatkowski, M.; Olechnowicz, A.; Inorg. Chim. Acta 1984, 90, 145; Kwiatkowski, E.; Kwiatkowski, M.; Inorg. Chim. Acta 1984, 82, 101; Casella, L.; Gullotti, M.; J. Chem. Soc., ... See full document
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J. Braz. Chem. Soc. vol.16 número2 en a10v16n2
... Similar analysis can be done for vibrational frequencies: the data in Table 1b shows that the values obtained using the triple zeta basis sets show smaller dependence on the inclusion of[r] ... See full document
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J. Braz. Chem. Soc. vol.16 número2 en a11v16n2
... The proposed method has been successfully applied to the determination of trace amounts of chromium in alloy steels ,industrial effluents, natural water samples and soil samples. Acknowl[r] ... See full document
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J. Braz. Chem. Soc. vol.16 número2 en a12v16n2
... usually used catalysts in discontinuous and continuous processes. First of all, the selectivity into sulfur can be decreased by the direct oxidation of H 2 S into SO 2 , and by the successive oxidations of H 2 S into ... See full document
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J. Braz. Chem. Soc. vol.16 número3A
... 15. Kahn, S. D.; Hehre, W. J.; J. Am. Chem. Soc. 1987, 109, 663. 16. Frisch, M. J.; Trucks, G. W.; Schlegel, H. B.; Gill, P. M. W.; Johnson, B. G.; Robb, M. A.; Cheeseman, ... See full document
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