Isolation and Structure Elucidation of Seco-neokadsuranic Acid A and 3,4-Seco-(24Z)-lanosta-4(30),8,24-triene-3,26-dioic Acid1

Li Lian-niang; Xue Hong; Ge Da-lun; Kunio Kangouri; Toshio Miyoshi; Sadafumi Omura

doi:10.1055/s-2006-962012

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Planta Med 1989; 55(3): 300-302
DOI: 10.1055/s-2006-962012

Papers

Isolation and Structure Elucidation of Seco-neokadsuranic Acid A and 3,4-Seco-(24Z)-lanosta-4(30),8,24-triene-3,26-dioic Acid¹

Li Lian-niang² , Xue Hong² , Ge Da-lun² , Kunio Kangouri³ , Toshio Miyoshi³ , Sadafumi Omura³

²Institute of Materia Medica, Chinese Academy of Medical Sciences, 1 Xian Nong Tan Street, Beijing 100050, Peoples' Republic of China
³Taisho Pharmaceutical Co., Ltd., No. 403, Yoshino-Cho, 1-Chome Ohmiya, Saitama 330, Japan

1 Triterpenoid Acids from Kadsura heteroclita; Part II. Part I: Ref. (8)

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Publication History

1988

Publication Date:
24 January 2007 (online)

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Abstract

Seco-neokadsuranic acid A, the second natural triterpenoid with the unusual 14(13→12)abeo-lanostane skeleton was isolated from Kadsura heteroclita together with 3,4-seco-(24Z)-lanosta-4(30),8,24,triene-3,26-dioic acid. The present paper deals with the isolation and structure elucidation of these two new compounds and the preparation of two new 7-oxo-lanostane triterpenoid derivatives.