Alkaloid and other chemical constituents from Psychotria stachyoides Benth.
摘要：
The organic extracts of leaves and roots of Psychotria stachyoides provided the new glucoside monote...
doi：
10.1590/S0103-50532011001100027
作 者：
Braz-Filho, Raimundo...
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Journal of the Brazilian Chemical Society
A multicommuted flow analysis method for the photometric determination of amoxicillin in pharmaceutical formulations using a diazo coupling reaction
摘要：
A multicommuted flow analysis method for the spectrophotometric determination of amoxicillin in phar...
doi：
10.1590/S0103-50532011000200013
作 者：
Freitas, Sueny K. B;...
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期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Efficient synthesis of 1,3,5-oxygenated synthons from dimethyl 3-oxoglutarate: first use of borane-dimethyl sulfide complex as a regioselective reducing agent of 3-oxygenated glutarate derivatives
摘要：
The selective reduction of dimethyl 3-oxoglutarate was accomplished in different levels. A high yiel...
doi：
10.1590/S0103-50532011000100023
作 者：
Carvalho, Venília B....
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期刊标题：
Journal of the Brazilian Chemical Society
SPE-HPLC method for determination of ketoconazole and clotrimazole residues in cow's milk
摘要：
A simple confirmatory method for HPLC-UV determination of ketoconazole and clotrimazole residues in ...
doi：
10.1590/S0103-50532011000900009
作 者：
Beigi, Farzaneh Ahma...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
A new approach for the synthesis of bioactive heteroaryl thiazolidine-2,4-diones
摘要：
Condensation of 3-formylchromone (1) with thiazolidine-2,4-dione (2) afforded 5-[4-oxo-4H-chromen-3-...
doi：
10.1590/S0103-50532011000600019
作 者：
El-Gohary, Naser Moh...
作者机构：
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期刊标题：
Journal of the Brazilian Chemical Society
Stability-indicating HPLC determination of pramipexole dihydrochloride in bulk drug and pharmaceutical dosage form
摘要：
A novel stability-indicating high-performance liquid chromatographic assay method was developed and ...
doi：
10.1590/S0103-50532011000700009
作 者：
Dr. Babasaheb Ambedk...
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期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Hyphenating the curtius rearrangement with Morita-Baylis-Hillman adducts: synthesis of biologically active acyloins and vicinal aminoalcohols
摘要：
Using Morita-Baylis-Hillman adducts as substrates, the Curtius rearrangement was performed in a sequ...
doi：
10.1590/S0103-50532011000800022
作 者：
W. Amarante, Giovann...
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期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
New Adducts of Lapachol with Primary Amines
摘要：
New adducts of lapachol with neat primary aliphatic amines were obtained in a solvent-free reaction ...
doi：
10.1590/S0103-50532011000400025
作 者：
Camara, Celso A.;San...
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期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Determination of sulfamethoxazole in pharmaceutical formulations by flow injection system/HPLC with potentiometric detection using polypyrrole electrode
摘要：
In this work, it was used a polypyrrole (PPy) electrode as a potentiometric electrochemical detector...
doi：
10.1590/S0103-50532011001100021
作 者：
Alsancak, Guleren;Oz...
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期刊标题：
Journal of the Brazilian Chemical Society
A selective flotation-spectrophotometric method for the determination of nickel using dimethylglyoxime
摘要：
A simple and selective method for separation and preconcentration of nickel has been developed. The ...
doi：
10.1590/S0103-50532011000600008
作 者：
Hashemi-Moghaddam, H...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
