From the aerial parts of Galium verum in flower, asperuloside and V1 iridoid were isolated.From the mother liquor obtained on recrystallization of asperuloside, V3 iridoid and daphylloside were also obtained. - Key Word Index: Galium verum; Rubiaceae; iridoid glycosides; p-hydroxyphenylpropionyloxy group; 3,4-dihydro-3-methoxy-asperuloside.
Chemistry and Stereochemistry of Iridoids, XIV. - Aucubin and Scandoside from Catalpol
Aucubin (9), scandoside (10), and its methyl ester were obtained, in good yields, from catalpol (1).The absolute configurations of 9-11 were established by correlation to catalpol, whose X-ray structure has previously been determined.
Weinges, Klaus,Ziegler, Hans Juergen
p. 715 - 717
(2007/10/02)
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