Novel picrotoxene norditerpene lactones from picrodendron baccatum
โ Scribed by Masako Nagahisa; Kazuo Koike; Mio Narita; Taichi Ohmoto
- Book ID
- 104203467
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- French
- Weight
- 526 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0040-4020
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โฆ Synopsis
Three novef norditcrpeoe lactones, picndeadrh U, V and W. were isolated from the bark of Picrodcndron baccarum. Their stmctmes wae de&mined by spectral and X-ray diffraction analyses. llmii absolute stenochemis@ies wex unambigoously determined by the non-empirical excitoa cimular dichroism metlmdcanicdootootheirp~nzoatedefivatives. Fic~U.VaodWreportedbefebelongtoa new class oflealran
๐ SIMILAR VOLUMES
A novel norditerpene laetone possessing a new skeleton, named fischeria A, was isolated from the rhizomes of Euphorbia fischeriana Steud.. Its structure and relative configuration were determined on the 'basis of extensive NMR studies and X-ray crystallography.