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Heteroclitins N – Q, New Compounds from Stems of Kadsura heteroclita ( Roxb .) Craib
Author(s) -
Xu LiJia,
Liu HaiTao,
Peng Yong,
Chen SiBao,
Chen ShiLin,
Xiao PeiGen
Publication year - 2008
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.200890026
Subject(s) - chemistry , lignan , stereochemistry
Abstract From the stems of Kadsura heteroclita ( Roxb .) Craib , a new novel C 19 homolignan, heteroclitin N ( 1 ), as well as three new lignans, heteroclitins OQ ( 2 – 4 ), were isolated. Their structures were elucidated based on spectral analysis, including 1D and 2D NMR experiments. There is an additional spirocyclic oxirane system in heteroclitin O ( 2 ), which is the first example of a lignan with an oxirane ring in a spirobenzofuranoid dibenzocyclooctene structure in the genus Kadsura.