Fast HPLC analysis of omeprazole, 5-hydroxyomeprazole and omeprazole sulfone in liquid culture medium using a monolithic column for application in biotransformation studies with fungi

期刊论文
摘要:
A fast liquid chromatography method was developed and validated for the simultaneous determination o...
doi:
10.1590/S0103-50532011000600020
作 者:
Pupo, Mônica T.;Univ...
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Journal of the Brazilian Chemical Society

Theoretical substituent electrophilicities

期刊论文
摘要:
A Hammett-like equation, relating theoretical global and substituent electrophilicities, is derived ...
doi:
10.1590/S0103-50532011001100009
作 者:
Pontificia Universid...
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期刊标题:
Journal of the Brazilian Chemical Society

Palladium nanoparticles supported on layered hydroxide salts and their use in carbon-carbon coupling organic reactions

期刊论文
摘要:
Palladium nanoparticles supported on zinc hydroxide salts were prepared by intercalation of [PdCl6]2...
doi:
10.1590/S0103-50532011001200012
作 者:
Universidad del Cauc...
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Journal of the Brazilian Chemical Society

Electrochemical behavior of Propranolol and its major metabolites, 4'-hydroxypropranolol and 4'-hydroxypropranolol Sulfate, on glassy carbon electrode

期刊论文
摘要:
The electrochemical behavior of propranolol (PRO) and its major metabolites was studied. Voltammetri...
doi:
10.1590/S0103-50532011000800025
作 者:
Silesian University ...
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Journal of the Brazilian Chemical Society

A multi-walled carbon nanotube-modified glassy carbon electrode as a new sensor for the sensitive simultaneous determination of paracetamol and tramadol in pharmaceutical preparations and biological fluids

期刊论文
摘要:
A chemically modified electrode was constructed based on a multi-walled carbon nanotube-modified gla...
doi:
10.1590/S0103-50532011000800020
作 者:
University of Arak, ...
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Journal of the Brazilian Chemical Society

Novel chiral ionic liquid (CIL) assisted selectivity enhancement to (L)-proline catalyzed asymmetric aldol reactions

期刊论文
摘要:
A significant improvement of the chemical yields (up to 88%), stereoselectivity (> 99:1) and enantio...
doi:
10.1590/S0103-50532011000900016
作 者:
Zhou, Xiaohai;Zhang,...
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期刊标题:
Journal of the Brazilian Chemical Society

Enantioselective analysis of fluoxetine and norfluoxetine in plasma samples by protein precipitation and liquid chromatography with fluorescence detection

期刊论文
摘要:
In this study, the enantioselective analysis of fluoxetine and norfluoxetine in plasma samples was p...
doi:
10.1590/S0103-50532011000700004
作 者:
Universidade de São ...
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期刊标题:
Journal of the Brazilian Chemical Society

Determination of copper, iron, lead and zinc in gasoline by sequential multi-element flame atomic absorption spectrometry after solid phase extraction

期刊论文
摘要:
A procedure was developed for determination of copper, iron, lead and zinc in gasoline. The procedur...
doi:
10.1590/S0103-50532011000300020
作 者:
Guida, Mauro A. B;Te...
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期刊标题:
Journal of the Brazilian Chemical Society

Synthesis and mechanism of formation of oxadeazaflavines by microwave thermal cyclization of ortho-halobenzylidene barbiturates

期刊论文
摘要:
The thermal cyclization reaction of o-halobenzylidene barbiturates was developed as an efficient and...
doi:
10.1590/S0103-50532011001100012
作 者:
Figueroa-Villar, J. ...
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society

Square-wave cathodic adsorptive stripping voltammetric determination of 3-hydroxyflavone, Morin and Hesperidin in bulk form and biological fluids in absence and presence of Cu(II)

期刊论文
摘要:
As flavonoids show pharmacological activity, in the present investigation, an economical and efficie...
doi:
10.1590/S0103-50532011001100006
作 者:
Ibrahim, Mohamed S.;...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
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