1991•Chemical and Pharmaceutical BulletinOpen access
Buddlejasaponins I-IV, four new oleanane-triterpene saponins from the aerial parts of Buddleja japonica Hemsl.
Atsushi Yamamoto, Toshio Miyase, Akira Ueno, Toshio Maeda
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Abstract
Four new oleanane-type triterpene saponins, named buddlejasaponins I (1), II (2), III (3) and IV (4) were isolated from the aerial parts of Buddleja japonica HEMSL., together with a known saponin saikosaponin a (5). Their structures were elucidated on the basis of the chemical and spectroscopic studies.
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