Tenuiflorins A-C: new 2-phenoxychromones from the leaves of Mimosa tenuiflora.
Five 2-phenoxychromones, the new tenuiflorin A [5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenoxy)-6-methoxychromone], tenuiflorin B [5,7-dihydroxy-2-(4-hydroxy-3-methoxyphenoxy)-6-methoxychromone] and tenuiflorin C [5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenoxy)chromone], along with the known 6-demethoxycapillarisin and 6-demethoxy-4'- O-methylcapillarisin were isolated from leaves of Mimosa tenuiflora. Structures of these compounds were established by analysis of their spectroscopic data. A single-crystal diffraction analysis of 6-demethoxy-4'- O-methylcapillarisin was performed in order to confirm the proposed structures.
León
Leticia
L
Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán 04510 D.F., México.
Maldonado
Emma
E
Cruz
Adela
A
Ortega
Alfredo
A
D002867:Chromones / Q000737:chemistry*; D018360:Crystallography, X-Ray; D006801:Humans; D031298:Mimosa; D008517:Phytotherapy; D010936:Plant Extracts / Q000737:chemistry*; D018515:Plant Leaves
D002867:Chromones; D010936:Plant Extracts; C488713:tenuiflorin A; C488715:tenuiflorin B; C488714:tenuiflorin C