A new glycoside, 3-[α-l-rhamnosyl-(1→4)-O-α-l-rhamnopyranosyl]-7-α -l-rhamnosylkaempferol, cassinopin, was isolated from the leaves of Cassinopsis madagascariensis, together with the known phenylpropanoid glycosides calceolarioside A, B and C, and verbascoside. The structure of cassinopin was established by spectroscopic and chemical methods.
Cassinopin, a kaempferol trirhamnoside from Cassinopsis madagascariensis
MESSANA, IRENE;
1990-01-01
Abstract
A new glycoside, 3-[α-l-rhamnosyl-(1→4)-O-α-l-rhamnopyranosyl]-7-α -l-rhamnosylkaempferol, cassinopin, was isolated from the leaves of Cassinopsis madagascariensis, together with the known phenylpropanoid glycosides calceolarioside A, B and C, and verbascoside. The structure of cassinopin was established by spectroscopic and chemical methods.
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