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Diterpenes and sesquitrpenes from Mikania banisteriae
(1997)
Two new ent-kaurane diterpenes, 18,19-diacetoxy-ent-kaur-16-ene and 17-oxo-ent-kaur-15(16)-en-18-oic acid, were isolated from the aerial parts of Mikania banisteriae, together with the known ent-kauranes ent-kaur-16-en-18-oic ...
1,3-Bis{[(2,6-dimethylphenyl)sulfanyl]methyl}benzene
(2019)
The structure of the title compound, C24H26S2, an example of a pincer ligand with an SCS-chelation motif, illustrates the steric effects of the methyl groups in the thiophenyl rings at the 2- and 6-positions, forcing a ...
N-[3-(Prop-1-yn-1-yl)phenyl]benzenesulfonamide
(2019)
In the title sulfanilamide derivative, C15H13NO2S, which shows significant
activity against Staphylococcus aureus and Escherichia coli, the dihedral angle
between the planes of the aromatic rings is 62.15 (19)° and the ...
UPLC-HRMS Polyphenolic Characterization, Contents and Antioxidant Activity of Zingiber officinale Roscoe rhizomes from Costa Rica
(2022)
Zingiber offcinale Roscoe rhizomes have been associated with multiple health benefits, such as blocking blood clotting, digestive and antinausea effects and aid in respiratory conditions. These effects have been linked ...
El método científico
(2020)
Explicación de las etapas del método científico
Propargylation of Alkyl Halides: (E)-6,10-dimethyl-5,9-undecadien-1-yne and (E)-7,11-dimethyl-6,10-dodecadien-2-yn-1-ol
(1990)
El siguiente documento es parte de un experimento científico que se titula “Propargylation of Alkyl Halides: (E)-6,10-dimethyl-5,9-undecadien-1-yne and (E)-7,11-dimethyl-6,10-dodecadien-2-yn-1-ol”. El mismo fue realizado ...
Identification of Anziaic Acid, a Lichen Depside from Hypotrachyna sp., as a New Topoisomerase Poison Inhibitor
(2013)
Topoisomerase inhibitors are effective for antibacterial and anticancer therapy because they can lead to the accumulation of the intermediate DNA cleavage complex formed by the topoisomerase enzymes, which trigger cell ...
Screening of Latin American Plants for Cytotoxic Activity
(2006)
The SRB cytotoxicity assay was used to screen plant extracts, in a collaborative multinational OAS project involving Argentina, Bolivia, Colombia, Costa Rica, Guatemala, Nicaragua and Panama, against breast (MCF-7), lung ...