Three New Dibenzocyclooctadiene Lignans from Kadsura longipedunculata

Lian-Niang Li; Hong Xue; Xia Li

doi:10.1055/s-2006-960058

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Planta Med 1991; 57(2): 169-171
DOI: 10.1055/s-2006-960058

Papers

Three New Dibenzocyclooctadiene Lignans from Kadsura longipedunculata

Lian-Niang Li¹ , Hong Xue¹ , Xia Li²

¹Institute of Materia Medica, Chinese Academy of Medical Sciences, 1 Xian Nong Tan Street, Beijing 100050, People's Republic of China
²Guangzhou Institute of Pharmaceutical Industrial Research, 134 Jiang Nan Da Dao Zhong, Guangzhou 510240, People's Republic of China

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Publication History

1990

Publication Date:
05 January 2007 (online)

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Abstract

Five dibenzocyclooctadiene lignans were isolated from the stems of Kadsura longipedunculata collected in Guangxi province. Three of them are new compounds, named benzoyl-, isovaleroyl-, and isobutyroylbinankadsurin A. Binankadsurin A was isolated from nature for the first time. The absolute configuration of isovaleroyloxokadsurane, a spirobenzofuranoid lignan from K. coccinea, was confirmed by chemical correlation with isovaleroylbinankadsurin A.

Key words

Kadsura longipedunculata - Schisandraceae - benzoylbinankadsurin A - isovaleroylbinankadsurin A - isobutyroylbinankadsurin A - isovaleroyloxokadsurane - absolute configuration