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Rotenoids from roots of Clitoria Fairchildiana

1998; Elsevier BV; Volume: 49; Issue: 6 Linguagem: Inglês

10.1016/s0031-9422(98)00235-0

1873-3700

Bernadete Pereira da Silva, Róbson Roney Bernardo, José Paz Parente,

Essential Oils and Antimicrobial Activity

A new rotenoid, named 9-demethylclitoriacetal, together with the known compounds, 11-deoxyclitoriacetal, 6-deoxyclitoriacetal, clitoriacetal and stemonal, was isolated from roots of Clitoria fairchildiana. Its structure was elucidated as 6a,12a-dihydro-6,9,11,12a-tetrahydroxy-2,3-dimethoxy-[1]benzopyrano[3,4-b] [1]benzopyran-12(6H)-one (1), on the basis of spectroscopic and chemical evidence.