Microwave-assisted synthesis of novel 5-trichloromethyl-4,5-dihydro-1H-1-pyrazole methyl esters under solvent free conditions
摘要：
Twelve novel 5-trichloromethyl-4,5-dihydro-1H-1-pyrazole ethyl esters have been synthesized in good ...
doi：
10.1590/S0103-50532006000200027
作 者：
Moura, Sidnei;Flores...
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Journal of the Brazilian Chemical Society
Sweet potato tissue-epoxy resin composite biosensor for hydroquinone determination in photographic process wastewater
摘要：
A biosensor of graphite-epoxy resin-sweet potato tissue (source of polyphenol oxidase) was developed...
doi：
10.1590/S0103-50532006000700020
作 者：
Zanotto-Neto, Giacom...
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Journal of the Brazilian Chemical Society
Application of nanotextured carbons for electrochemical energy storage in aqueous medium
摘要：
This paper presents a hybrid capacitor, with two different electrodes working in their optimal poten...
doi：
10.1590/S0103-50532006000600004
作 者：
Béguin, François;CNR...
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Journal of the Brazilian Chemical Society
Flow injection determination of metronidazole through spectrophotometric measurement of the nitrite ion produced upon alkaline hydrolysis
摘要：
A new method for metronidazole determination, based on spectrometric monitoring of a diazonium salt ...
doi：
10.1590/S0103-50532006000300028
作 者：
Lyra, Wellington S.;...
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Journal of the Brazilian Chemical Society
New natural products from Siphoneugena densiflora Berg (Myrtaceae) and their chemotaxonomic significance
摘要：
Siphoneugena Berg (Myrtaceae) is a small eugenioid genus segregated from Eugenia by Berg. The phytoc...
doi：
10.1590/S0103-50532006000200010
作 者：
Universidade Federal...
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期刊标题：
Journal of the Brazilian Chemical Society
Synthesis of the omega-brominated alpha-trifluoroacetylcycloalkanones and their isoxazole derivatives
摘要：
The reactions of a serie of the 2-trifluoroacetyl-1-methoxy-1-cycloalkenes (1a-1e) and 2-trifluoroac...
doi：
10.1590/S0103-50532006000100012
作 者：
Flores, Alex F. C.;P...
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期刊标题：
Journal of the Brazilian Chemical Society
Novel anthraquinone derivatives produced by Phoma sorghina, an endophyte found in association with the medicinal plant Tithonia diversifolia (Asteraceae)
摘要：
Three known anthraquinones (1,7-dihydroxy-3-methyl-9,10-anthraquinone, 1,6-dihydroxy-3-methyl-9,10-a...
doi：
10.1590/S0103-50532006000500017
作 者：
Universidade de São ...
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期刊标题：
Journal of the Brazilian Chemical Society
Porous carbon obtained by the pyrolysis of TiO2/poly(furfuryl alcohol) nanocomposite: preparation, characterization and utilization for adsorption of reactive dyes from aqueous solution
摘要：
This study reports the preparation of high surface area amorphous carbon by pyrolysis of TiO2/poly(f...
doi：
10.1590/S0103-50532006000600012
作 者：
Zarbin, Aldo J. G.;U...
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期刊标题：
Journal of the Brazilian Chemical Society
Characterization of the coal derived humic acids from Mukah, Sarawak as soil conditioner
摘要：
In Malaysia, abundant coal resources were found in Sarawak and Sabah. The utilization of coal resour...
doi：
10.1590/S0103-50532006000300023
作 者：
Seng, Lau;Chong, Won...
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期刊标题：
Journal of the Brazilian Chemical Society
A new route to keto and alkyl derivatives of (R)-carvone via diastereoselective conjugate addition of nitronate ions
摘要：
The reactivity and diastereoselectivity of conjugate addition of different nitronates ions to (R)-ca...
doi：
10.1590/S0103-50532006000700006
作 者：
Universidade Federal...
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期刊标题：
Journal of the Brazilian Chemical Society
