8,12;8,20-Diepoxy-8,14-secopregnane Glycosides from the Aerial Parts of Asclepias tuberosa

Tsutomu Warashina; Tadataka Noro

doi:10.1248/cpb.58.172

Regular Articles

8,12;8,20-Diepoxy-8,14-secopregnane Glycosides from the Aerial Parts of Asclepias tuberosa

著者情報

キーワード: Asclepias tuberosa, Asclepiadaceae, 8,12;8,20-diepoxy-8,14-secopregnane glycoside, tuberoside, tuberogenin, 2,6-dideoxyhexopyranose

ジャーナルフリー

2010 年 58 巻 2 号 p. 172-179

DOI https://doi.org/10.1248/cpb.58.172

詳細

抄録

Further study of constituents from the aerial parts of Asclepias tuberosa afforded twenty-two new steroidal glycosides along with tuberoside B₅ and G₅. These glycosides were confirmed to contain 8,12;8,20-diepoxy-8,14-secopregnanes, tuberogenin and its congeners, as their aglycones. The structure of each of these compounds was elucidated based on the interpretation of NMR and MS measurements and from chemical evidence.

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