Mono and dibromo-5,5-diethylbarbituric acids for cleavage of trimethylsilyl ethers
摘要：
1-Bromo and 1,3-dibromo-5,5-diethylbarbituric acid were prepared and used for the conversion of diff...
doi：
10.1590/S0103-50532007000100028
作 者：
Iloukhani, Hossein;R...
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Journal of the Brazilian Chemical Society
Enantioselective transport of R-clenbuterol through a bulk liquid membrane containing O,O'-dibenzoyl-(2S, 3S)-tartaric
摘要：
A method of bulk liquid membrane (BLM) using O, O'-dibenzoyl-(2S, 3S)-tartaric acid was developed fo...
doi：
10.1590/S0103-50532007000400020
作 者：
Huang, Kelong;Hu, We...
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Journal of the Brazilian Chemical Society
Using the organofunctionalised SBA-15 nanostructured silica as a carbon paste electrode modifier: determination of cadmium ions by differential anodic pulse stripping voltammetry
摘要：
The performance of a carbon paste electrode (CPE) modified with SBA-15 nanostructured silica organof...
doi：
10.1590/S0103-50532007000400021
作 者：
Marino, Glimaldo;Mat...
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Journal of the Brazilian Chemical Society
7,8beta-dihydroponasterone A, a new phytoecdysteroid from the needles of the Japanese Yew, Taxus cuspidata
摘要：
A new plant ecdysteroid 7,8b-dihydroponasterone A, together with ponasterone A, were isolated from t...
doi：
10.1590/S0103-50532007000500032
作 者：
Li, Xing;Tohoku Univ...
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Journal of the Brazilian Chemical Society
Chemical constituents of the underground stem bark of Duguetia furfuracea (Annonaceae)
摘要：
In the present investigation the underground parts of Duguetia furfuracea (Annonaceae) were used to ...
doi：
10.1590/S0103-50532007000800017
作 者：
Silva, Denise B. da;...
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Journal of the Brazilian Chemical Society
Preparation and characterization of carboxyl-group functionalized superparamagnetic nanoparticles and t he potential for bio-applications
摘要：
In this work, a method was developed to prepare monodispersed carboxyl-group functionalized magnetic...
doi：
10.1590/S0103-50532007000700006
作 者：
Huang, Qian-Ming;Sha...
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期刊标题：
Journal of the Brazilian Chemical Society
Slurry sampling for arsenic determination in sediments by hydride generation atomic absorption spectrometry
摘要：
A simple and robust method for the determination of arsenic in sediments by hydride generation atomi...
doi：
10.1590/S0103-50532007000400010
作 者：
Torres, Daiane P.;Vi...
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Journal of the Brazilian Chemical Society
Fabrication of a new samarium(III) ion-selective electrode based on 3-{[2-oxo-1(2h)-acenaphthylenyliden]amino}-2-thioxo -1,3-thiazolidin-4-one
摘要：
This paper introduces the development of an original PVC membrane electrode, based on 3-{[2-oxo-1(2H...
doi：
10.1590/S0103-50532007000100025
作 者：
Ganjali, Mohammad Re...
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Journal of the Brazilian Chemical Society
Synthesis, characterization and benzene oxidation promoted by a new mononuclear copper(II) complex, [Cu(BTMEA)2Cl]Cl
摘要：
The aim of this work is to present the synthesis, crystal structure, electrochemical behavior, spect...
doi：
10.1590/S0103-50532006000800010
作 者：
Lessa, Josane A.;Bor...
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Journal of the Brazilian Chemical Society
Synthesis and density functional calculations of the new molecule-based magnet precursor [Fe(H2opba-i)(dmso)2]Cl
摘要：
A new precursor of molecule-based magnetic systems, [Fe(H2opba-i)(dmso)2]Cl (1), with opba聽= ortho-p...
doi：
10.1590/S0103-50532006000800008
作 者：
Nunes, Wallace C.;Ar...
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Journal of the Brazilian Chemical Society
