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A new isopimarane diterpenoid from Vellozia pusilla pohl (velloziaceae)
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- A new isopimarane diterpenoid, 8(9),15-isopimaradien-7-one-20,12-carbolactone (1), was isolated from...
- doi：
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10.1590/S0103-50532003000100020
- 作 者：
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Valente, Ligia Maria...
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Journal of the Brazilian Chemical Society
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Synthesis of new indolecarboxylic acids related to the plant hormone indoleacetic acid IAA
- 摘要：
- The synthesis of 5,6-methylenedioxy-indol-3-yl-methanoic acid 8 and 5,6-methylenedioxy-indol-3-yl-ac...
- doi：
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10.1590/S0103-50532003000100003
- 作 者：
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Universidade Regiona...
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Journal of the Brazilian Chemical Society
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Spectrophotometric flow-injection determination of sulphite in white wines involving gas diffusion through a concentric tubular membrane
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- A flow-injection system is proposed for the spectrophotometric determination of sulphite in white wi...
- doi：
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10.1590/S0103-50532003000300006
- 作 者：
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Maniasso, Nelson;Mel...
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Journal of the Brazilian Chemical Society
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Reactions of diiron mu-aminocarbyne complexes containing nitrile ligands
- 摘要：
- The acetonitrile ligand in the m-aminocarbyne complexes [Fe2{m-CN(Me)R}(m-CO)(CO)(NCMe)(Cp)2][SO 3CF...
- doi：
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10.1590/S0103-50532003000600006
- 作 者：
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Marchetti, Fabio;Zan...
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Journal of the Brazilian Chemical Society
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Preparation of a ferrofluid using cyclodextrin and magnetite
- 摘要：
- A ferrofluid has been obtained from magnetite and b-cyclodextrin, with the formation of an inclusion...
- doi：
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10.1590/S0103-50532003000600011
- 作 者：
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Mohallem, Nelcy D. S...
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Journal of the Brazilian Chemical Society
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Essential oil composition from twelve varieties of basil (Ocimum spp) grown in Colombia
- 摘要：
- Essential oil compositions of aerial parts from twelve basil cultivars (Ocimum spp) were analysed by...
- doi：
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10.1590/S0103-50532003000500008
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Viña, Amparo;Murillo...
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Journal of the Brazilian Chemical Society
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Reductive coupling reaction of benzyl, allyl and alkyl halides in aqueous medium promoted by zinc
- 摘要：
- Organic halides undergo reductive dimerization (Wurtz-type coupling) promoted by zinc at room temper...
- doi：
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10.1590/S0103-50532003000300015
- 作 者：
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Bieber, Lothar W.;Un...
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Journal of the Brazilian Chemical Society
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Ultrasound-assisted extraction of Ca, K and Mg from in vitro citrus culture
- 摘要：
- An ultrasound extraction procedure for Ca, K and Mg from in vitro plant cultures is proposed, compar...
- doi：
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10.1590/S0103-50532003000300023
- 作 者：
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Arruda, Sandra C. C....
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Journal of the Brazilian Chemical Society
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Determination of fluoride in coal using pyrohydrolysis for analyte separation
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- A method for the determination of fluoride in coal using pyrohydrolysis for sample decomposition is ...
- doi：
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10.1590/S0103-50532003000200024
- 作 者：
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Universidade Federal...
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Journal of the Brazilian Chemical Society
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Effect of partial substitution of nickel by tin, aluminum, manganese and palladium on the properties of LaNi5-type metal hydride alloys
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- This work reports studies on the electrochemical behavior of AB5-type hydrogen storage alloys, forme...
- doi：
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10.1590/S0103-50532003000400009
- 作 者：
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Ticianelli, Edson A....
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Journal of the Brazilian Chemical Society
