FERN CONSTITUENTS: NEW CYCLOARTANE TRITERPENOIDS, (24R)-CYCLOLAUDENYL ACETATE AND (24R)-CYCLOMARGENYL ACETATE, AND THEIR CORRESPONDING ALCOHOLS AND KETONES, ISOLATED FROMPOLYPODIUM FORMOSANUM
FERN CONSTITUENTS: NEW CYCLOARTANE TRITERPENOIDS, (24<i>R</i>)-CYCLOLAUDENYL ACETATE AND (24<i>R</i>)-CYCLOMARGENYL ACETATE, AND THEIR CORRESPONDING ALCOHOLS AND KETONES, ISOLATED FROM<i>POLYPODIUM FORMOSANUM</i>
作者:Hiroyuki Ageta、Yoko Arai
DOI:10.1246/cl.1982.881
日期:1982.6.5
New tetracyclic triterpenoids, (24R)-cyclolaudenyl acetate(Ia) and (24R)-cyclomargenyl acetate(Ib), and their corresponding alcohols(IIa, IIb) and ketones(IIIa,IIIb) were isolated from the rhizomes of Polypodium formosanum. The structure of Ia and Ib were deduced by chemical and spectroscopic methods to be (24R)-24-methylcycloart-25-en-3β-yl acetate and (24R)-24-ethylcycloart-25-en-3β-yl acetate, respectively.
Fern constituents: Cycloartane triterpenoids and allied compounds from Polypodium formosanum and P. niponicum
作者:Hiroyuki Ageta、Yôko Arai
DOI:10.1016/0031-9422(84)83033-2
日期:1984.1
Abstract From the rhizomes of Polypodium formosanum, new triterpenoids of the cycloartane group, (24R)-cyclolaudenol and (24R)-cyclomargenol, were isolated as the corresponding acetates, alcohols and ketones, and their structures were established. Also, from the rhizomes of P. niponicum eight acetates of cycloartane derivatives and two acetates of new methyl sterols were isolated and characterized
摘要 从虎杖根茎中分离出新的环亚烷基三萜类化合物(24R)-环月桂醇和(24R)-环马精醇,分别为相应的乙酸酯、醇和酮,并建立了它们的结构。此外,从 P. niponicum 的根茎中分离和表征了 8 种环磷酰胺衍生物的乙酸酯和两种新甲基甾醇的乙酸酯。