Racemic synthesis of 1,2-secomicrominutinin

期刊论文
摘要:
The racemic 1,2-secomicrominutinin (25) was synthesized employing the intramolecular cycloaddition r...
doi:
10.1590/S0103-50532005000400021
作 者:
Universidade de São ...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

A simple low-cost simulation protocol for approximate localization of structural water molecules in DNA oligonucleotides

期刊论文
摘要:
Using a computational low-cost protocol by combining molecular mechanics energy minimization and mol...
doi:
10.1590/S0103-50532005000400017
作 者:
Oliveira Neto, Marça...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

The solid-state and solution-state reassigned structures of tagitinin A, a 3,10-epoxy-germacrolide from Tithonia diversifolia, and the interconversion of 3,10-epoxy-germacrolide conformational families via a ring-atom flip mechanism

期刊论文
摘要:
Tagitinin A (2), a known 3,10-epoxy-germacrolide-6,7-trans-lactone isolated from Tithonia diversifol...
doi:
10.1590/S0103-50532005000300019
作 者:
Ben-Gurion Universit...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Sorption and desorption of Cd(II) at the clay particle-water interface and its relevance to the distribution of metal ions in natural systems

期刊论文
摘要:
The sorption and desorption of Cd(II) that occurs at the interface between several sorbents and aque...
doi:
10.1590/S0103-50532005000600015
作 者:
Bedendo, Gizelle C.;...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Leaf essential oils of four Piper species from the State of Ceará - Northeast of Brazil

期刊论文
摘要:
The essential oils, obtained by hydrodistillation, from leaf samples of four Piper species (P. arbor...
doi:
10.1590/S0103-50532005000800012
作 者:
Canuto, Kirley M.;Pe...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Lanostane triterpenes from the fungus Pisolithus tinctorius

期刊论文
摘要:
A new triterpene, 3b,22x,23x-trihydroxy-24-methyllanosta-8,24(28)-diene-31-al 22-acetate, named piso...
doi:
10.1590/S0103-50532005000500028
作 者:
Zamuner, M. Lucília ...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Sesquiterpene lactones from Minasia alpestris

期刊论文
摘要:
The chemical investigation of the Minasia alpestris leaves afforded two new furanoheliangolides in a...
doi:
10.1590/S0103-50532005000400033
作 者:
Universidade de Fran...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Antifungal piperolides from Piper malacophyllum (Prels) C. DC.

期刊论文
摘要:
Bioactivity-guided fractionation of the CH2Cl2 extract from leaves of Piper malacophyllum using bioa...
doi:
10.1590/S0103-50532005000200005
作 者:
Guimarães, Elsie F.;...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Al(HSO4)3 as an efficient catalyst for acetalization of carbonyl compounds under heterogeneous or solvent -free conditions

期刊论文
摘要:
Al(HSO4)3 as a solid acid was applied for acetalization of carbonyl compounds at room temperature an...
doi:
10.1590/S0103-50532005000500031
作 者:
Bu-Ali Sina Universi...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Arjunolic acid in the ethanolic extract of Combretum leprosum root and its use as a potential multi-functional phytomedicine and drug for neurodegenerative disorders: anti-inflammatory and anticholinesterasic activities

期刊论文
摘要:
Combretum leprosum Mart. & Eicher (Combretaceae) leaves and roots ethanolic extracts were investigat...
doi:
10.1590/S0103-50532005000800002
作 者:
Facundo, Valdir A.;C...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
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