Phytochemistry p. 2053 - 2056 (1984)
Update date:2022-08-05
Topics:
Markham, Kenneth R.
On the basis of new spectroscopic evidence, structures are proposed for three amentoflavone glycosides and an apigenin di-C-glycoside previously isolated from Psilotum nudum.The major glycoside is identified as the 7,4',4'''-tri-O-β-D-glucopyranoside, minor glycosides as the 4',4'''-di-O-β-D-glucopyranoside and 7,4'''-di-O-β-D-glucopyranoside, and the apigenin di-C-glycoside as vicenin-2.The amentoflavone glucosides are all new natural products.Key Word Index- Psilotum nudum; Psilotaceae; amentoflavone O-glucosides; vicenin-2.
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