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Self-organizing maps in chemotaxonomic studies of Asteraceae: a classification oftribes using flavonoid data
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- Flavonoids have shown good chemical markers for Asteraceae. In this paper, 4,700 occurrences of flav...
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10.1590/S0103-50532007000500004
- 作 者：
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Ferreira, Marcelo J....
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Journal of the Brazilian Chemical Society
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Molecular properties of coordination compounds of the croconate ion with first-row sivalent transition metals: a quantum mechanical study
- 摘要：
- In this paper we report geometries, magnetic and vibrational spectroscopic properties of croconate c...
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10.1590/S0103-50532007000700014
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Junqueira, G. M. A.;...
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Journal of the Brazilian Chemical Society
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Synthesis and nuclear magnetic resonance shielding effect of three triazine-linked porphyrin compounds
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- Three porphyrin compounds, monomer Por I, dimer Por II and trimer Por III have been synthesized from...
- doi：
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10.1590/S0103-50532007000500006
- 作 者：
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Li, Zao-Ying;Zhang, ...
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Journal of the Brazilian Chemical Society
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A Novel and highly selective conversion of alcohols, thiols, and silyl ethers to azides using the 2,4,6-trichloro[1,3,5]triazine/n-Bu4NN3 system
- 摘要：
- Alkyl azides are prepared in good to excellent yields by treatment of alcohols, thiols and trimethyl...
- doi：
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10.1590/S0103-50532007000700003
- 作 者：
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Akhlaghinia, Batool;...
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Journal of the Brazilian Chemical Society
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A new antifungal phenolic glycoside derivative, iridoids and lignans from Alibertia sessilis (vell.) k. schum. (Rubiaceae)
- 摘要：
- A new antifungal phenolic glycoside, 3,4,5-trimethoxyphenyl-1-O-b-D-(5-O-syringoyl)apiofuranosyl-(1脗...
- doi：
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10.1590/S0103-50532007000700017
- 作 者：
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Instituto de Botânic...
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Journal of the Brazilian Chemical Society
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Inductively coupled plasma optical emission spectrometry with axially viewed configuration: an overview of applications
- 摘要：
- It is generally assumed that inductively coupled plasma optical emission spectrometers (ICP OES) wit...
- doi：
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10.1590/S0103-50532007000400003
- 作 者：
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Universidade Federal...
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Journal of the Brazilian Chemical Society
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Diosgenin quantification by HPLC in a Dioscorea polygonoides tuber collection from colombian flora
- 摘要：
- The diosgenin concentrations in a Dioscorea polygonoides tuber collection from the Eje Cafetero (EC,...
- doi：
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10.1590/S0103-50532007000500030
- 作 者：
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Universidad Tecnológ...
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Journal of the Brazilian Chemical Society
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Flow injection turbidimetric determination of acetylcysteine in pharmaceutical formulations using silver nitrate as precipitant reagent
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- A simple, accurate and precise flow-injection turbidimetric procedure is reported for the determinat...
- doi：
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10.1590/S0103-50532007000500023
- 作 者：
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Universidade Federal...
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- 期刊标题：
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Journal of the Brazilian Chemical Society
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Revisiting the internal conformational dynamics and solvation properties of cyclodextrins
- 摘要：
- Molecular dynamics simulations were used to investigate the internal conformational dynamics and sol...
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10.1590/S0103-50532007000500012
- 作 者：
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Freitas, Luiz Carlos...
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Journal of the Brazilian Chemical Society
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Conventional and microwave-assisted reaction of N-hydroxymethylphthalimide with arylamines: synthesis of N-(arylaminomethyl)-phthalimides
- 摘要：
- An efficient and easy synthesis of compounds: 2-Phenylaminomethyl-isoindole-1,3-dione (5a), 2-[(2-Cl...
- doi：
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10.1590/S0103-50532007000600018
- 作 者：
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Silva, Ricardo O.;Sr...
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Journal of the Brazilian Chemical Society
