ISOLATION AND STRUCTURES OF TWO NEW C-3/C-3″-BIFLAVANONES, NEOCHAMAEJASMIN A AND NEOCHAMAEJASMIN B
- 5 April 1984
- journal article
- research article
- Published by Oxford University Press (OUP) in Chemistry Letters
- Vol. 13 (4) , 539-542
- https://doi.org/10.1246/cl.1984.539
Abstract
Two new C-3/C-3″-biflavanones, neochamaejasmin A and B have been isolated from Stellera chamaejasme L. (Thymelaeaceae) and their structures have been elucidated on the basis of spectral data and some chemical evidence. Neochamaejasmin B is the first naturally occurring C-3/C-3″-biflavanone having the cis–trans geometry at the C-2/C-3 and C-2″/C-3″ positions.Keywords
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