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Abstract Three new triterpenoid hydrocarbons, named aonena-3,21-diene ( 1 ), podioda-7,17,21-triene ( 2 ) and podioda-8,17,21-triene ( 3 ), were isolated from fresh rhizomes of Polypodiodes niponica… (More)
Abstract A new triterpenoid named colysanoxide (II) having a novel carbon skeleton has been isolated from the leaves of Colysis elliptica and C. pothifolia , together with α-onoceradiene from the… (More)
Abstract Two new tetracyclic triterpene alcohols, along with (24 S )-24-methyl-5 α -lanosta-9(11),25-dien-3 β -ol and 24,24-dimethyl-5α-lanosta-9(11),25-dien-3β-ol, were isolated from the petrol… (More)
Migrated gammacerane triterpenoids, named pichierenyl acetate (1) and isopichierenyl acetate (2), were isolated from the fresh roots of Picris hieracioides subsp. japonica, Compositae. By spectral… (More)
Six new triterpenoids, neohop-18-en-12α-ol (1), 13-epineohop-18-en-12α-ol (2), neohop-13(18)-en-19α-ol (3), fern-7-en-25-ol (4), fern-9(11)-en-25-ol (5) and adian-5-en-25-ol (6) were isolated from… (More)
From the fresh leaves of polypodium someyae eupha-7, 24-diene and from the fresh rhizomes of P. fauriei (20R)-dammara-13 (17), 24-diene were obtained and characterized. These hydrocarbons are the… (More)