Triterpenoid Acids from Kadsura longipedunculata. Neokadsuranic Acids B and C: Two Novel Triterpenoids with 14 (13 → 12)abeo-Lanostane Skeletons

Li Lian-niang; Xue Hong; Kunio Kangouri; Akiko Ikeda; Sadafumi Omura

doi:10.1055/s-2006-962010

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Planta Med 1989; 55(3): 294-296
DOI: 10.1055/s-2006-962010

Papers

Triterpenoid Acids from Kadsura longipedunculata. Neokadsuranic Acids B and C: Two Novel Triterpenoids with 14 (13 → 12)abeo-Lanostane Skeletons

Li Lian-niang¹ , Xue Hong¹ , Kunio Kangouri² , Akiko Ikeda² , Sadafumi Omura²

¹Institute of Materia Medica, Chinese Academy of Medical Sciences, Beijing 100050, People's Republic of China
²Taisho Pharmaceutical Co. Ltd., No. 403, Yoshino-Cho, 1-Chome Ohmiya, Saitama 330, Japan

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Publication History

1988

Publication Date:
24 January 2007 (online)

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Abstract

Six triterpenoid acids were isolated from the stems of Kadsura longipedunculata, collected in Kuangxi province. Four of them were new compounds and assigned as (24Z)-3-oxo-12α-acetoxylanosta-8,24-dien-26-oic acid (1), (24Z)-3-oxo-12α-hydroxylanosta-8,24-dien-26-oic acid (2), (24Z)-3-oxo-14(13→12)abeo-lanosta-8,13(18),24-trien-26-oic acid (3), and (24Z)-3-oxo-13β-hydroxy-14(13→12) abeo-lanosta-8,24-dien-26-oic acid (4). Compounds 3 and 4 were named neokadsuranic acids B and C, respectively.