Eudesmane-type sesquiterpene glycosides: sonneratiosides A–E and eudesmol β-d-glucopyranoside from the leaves of Sonneratia alba

Five eudesmane-type sesquiterpene glycosides, named sonneratiosides A–E ( 1 – 5 ), were isolated from the leaves of Sonneratia alba (Lythraceae). The aglycone of sonneratioside A was identified as cryptomeridiol also known as proximadiol. X-ray crystallographic analysis of sonneratioside A confirmed...

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