Chemical and Pharmaceutical Bulletin p. 3169 - 3173 (1992)
Update date:2022-08-10
Topics:
Ono
Ueguchi
Murata
Kawasaki
Miyahar
Fifteen new resin glycosides, marubajalapins I-XV, were isolated from the jalapin fraction of the aerial part (leaves and stems) of Pharbitis purpurea. Among them, the structures of marubajalapins I-VII have been determined on the basis of chemical and spectral data. They are the first examples of jalapins with operculinic acid E obtained previously as a minor glycosidic acid of the crude jalapin from Jalapae Braziliensis.
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