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Lignans and a Sesquiterpene Glucoside from Carissa carandas Stem

✍ Scribed by Ruchira Wangteeraprasert; Kittisak Likhitwitayawuid

Publisher
John Wiley and Sons
Year
2009
Tongue
German
Weight
178 KB
Volume
92
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

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Two new compounds, the sesquiterpene glucoside carandoside (1) and (6__S__,7__R__,8__R__)‐7a‐[(β‐glucopyranosyl)oxy]lyoniresinol (2), were isolated from the stem of Carissa carandas, together with three known lignans. The structures of the isolated compounds were determined on the basis of spectroscopic evidence. Their DPPH free radical‐scavenging activities were also evaluated.

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New Iridoid Glucosides and a Lignan Digl
New Iridoid Glucosides and a Lignan Diglucoside from Globularia alypumL
✍ Ratan K. Chaudhuri; Otto Sticher πŸ“‚ Article πŸ“… 1981 πŸ› John Wiley and Sons 🌐 German βš– 808 KB

## Abstract The four new iridoid glucosides globularicisin **(2)**, globularidin **(5)**, globularimin **(9)**, and globularinin **(13)**, the lignan diglucoside liriodendrin **(18)**, and syringin **(20)** have been isolated from __Globularia alypum__ L. along with the previously reported glucosid