title: Two new flavones from Calliandra californica.
abstract: Two new flavones were isolated from the medicinal plant Calliandra californica, 7,2',4',5'-tetramethoxyflavone [1] and 5-hydroxy-7,2',4',5'-tetramethoxyflavone [2]. The structures were determined from spectral evidence and both compounds were synthesized. Compound 2 exhibited antimicrobial activity for two test bacterial strains.
authors.affiliation: Departamento de Agronomía, Universidad Autónoma de Baja California Sur, La Paz, Mexico.
authors.forename: R
authors.initials: R
authors.lastname: Encarnacion
authors.forename: N
authors.initials: N
authors.lastname: Ochoa
authors.forename: U
authors.initials: U
authors.lastname: Anthoni
authors.forename: C
authors.initials: C
authors.lastname: Christophersen
authors.forename: P H
authors.initials: PH
authors.lastname: Nielsen
mesh_terms: D000900:Anti-Bacterial Agents; D000890:Anti-Infective Agents / Q000302:isolation & purification* / Q000494:pharmacology; D001412:Bacillus subtilis / Q000187:drug effects; D002140:California; D002176:Candida albicans / Q000187:drug effects; D005419:Flavonoids / Q000302:isolation & purification* / Q000494:pharmacology; D008826:Microbial Sensitivity Tests; D010946:Plants, Medicinal / Q000737:chemistry*; D013211:Staphylococcus aureus / Q000187:drug effects
chemical_list: C091095:5-hydroxy-7,2',4',5'-tetramethoxyflavone; D000900:Anti-Bacterial Agents; D000890:Anti-Infective Agents; D005419:Flavonoids; C091093:7,2',4',5'-tetramethoxyflavone