Seasonal variability of essential oils of Eugenia uniflora leaves

期刊论文
摘要:
Seasonal influence on the chemical composition of essential oils of Eugenia uniflora leaves with red...
doi:
10.1590/S0103-50532009000700013
作 者:
Costa, Deomar P.;Fer...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Hydrolysis of methyl benzoate from Piper arboreum by Naupactus bipes beetle

期刊论文
摘要:
A new natural product was isolated from Piper arboreum (Piperaceae) leaves, the methyl 3-geranyl-4-h...
doi:
10.1590/S0103-50532009000300022
作 者:
Kato, Massuo J.;Univ...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Screen-printed carbon electrode modified with poly-L-histidine applied to gold(III) determination

期刊论文
摘要:
A sensitive voltammetric method for trace measurements of gold(III) ions using a screen-printed carb...
doi:
10.1590/S0103-50532009000100017
作 者:
Zanoni, Maria Valnic...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

State-of-the-art in immobilized polymer stationary phases for high-performance liquid chromatography

期刊论文
摘要:
Increasing stability and reducing the high activity of residual groups from stationary phases have b...
doi:
10.1590/S0103-50532009000800002
作 者:
Universidade Estadua...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Synthesis of α- and β-lapachone derivatives from hetero diels-alder trapping of alkyl and aryl o-quinone methides

期刊论文
摘要:
Methylene and aryl o-quinone methides (o-QMs) generated by Knoevenagel condensation of 2-hydroxy-1,4...
doi:
10.1590/S0103-50532009000800014
作 者:
Ferreira, Sabrina B....
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

K10-montmorillonite as support for a cationic manganese(III)-salen complex

期刊论文
摘要:
A commercial K10-montmorillonite was used as support for the immobilization of a cationic manganese(...
doi:
10.1590/S0103-50532009000700017
作 者:
Pereira, Clara;Pires...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Preparation of novel trifluoroacetylketene O,N-acetals and trifluoromethyl-containing S,S-sulfoximido N-substituted heterocycles

期刊论文
摘要:
Two new trifluoroacetylketene O,N-acetals [CF3C(O)CH=C(OEt)(NS(O)R2), where R = CH3, Ph] derived fro...
doi:
10.1590/S0103-50532009000700024
作 者:
Vezzosi, Renata P.;R...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

UHMWPE-layered silicate nanocomposites by in situ polymerization with tris(pyrazolyl)borate titanium/clay catalyst

期刊论文
摘要:
Polyethylene-MMT nanocomposites were prepared by in situ polymerization methodology using TpMs*TiCl3...
doi:
10.1590/S0103-50532009000300010
作 者:
Mauler, Raquel S.;Be...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

A new bianthron glycoside as inhibitor of Trypanosoma cruzi glyceraldehyde 3-phosphate dehydrogenase activity

期刊论文
摘要:
doi:
10.1590/S0103-50532009000500021
作 者:
Andricopulo, Adriano...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Microwave-assisted photocatalytic degradation of dimethyl phthalate using a microwave discharged electrodeless lamp

期刊论文
摘要:
The microwave-assisted photocatalytic degradation (MW/PC) of dimethyl phthalate (DMP) was investigat...
doi:
10.1590/S0103-50532009000500010
作 者:
Wang, Peng;School of...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
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