Cinnamyl Alcohol, Benzyl Alcohol, and Flavonoid Glycosides from Sanchezia nobilis

Chemistry of Natural Compounds
2014.0

Abstract

Further phytochemical investigation of Sanchezia nobilis Hook.f. (Acanthaceae) has afforded nine compounds, the cinnamyl alcohol glycosides: 9-O--glucopyranosyl trans-cinnamyl alcohol (1), 9-O--xylopyranosyl- (16)-O--glucopyranosyl-(16)-O--glucopyranosyl trans-cinnamyl alcohol (2), and syringin (3); the neolignan glucoside: 4-O--glucopyranosyl dehydrodiconiferyl alcohol (4); the benzyl alcohol glycosides: 7-O--glucopyranosyl benzyl alcohol (5) and 7-O--apiofuranosyl-(16)-O--glucopyranosyl benzyl alcohol (6), together with the flavonoid glycosides: apigenin-7-O--glucopyranoside (7), apigenin-7-Ogentiobioside (8), and apigenin-7-O--glucuronopyranoside (9). Compound 2 is isolated here for the first time from a natural source, compounds 1, 3, 4, and 8 have been isolated for the first time from the family Acanthaceae, while compounds 5–7 and 9 are reported for the first time from the genus Sanchezia.

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