Abstract
A novel 20-nor-ent-kaurene diterpenoid, rubescensin N (1), and a new 7,20-epoxy-ent-kaurene diterpenoid, rubescensin O (2), along with the seven known diterpenoids rabdoternins A-F and xerophilusin N, were isolated from Isodon rubescens collected in Jiyuan prefecture, Henan Province, China. Their structures were established by extensive spectroscopic analysis. Compound 1 is the first example of a naturally occurring 20-norent-kaurene diterpenoid from the Isodon genus plants.
Original language | English |
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Pages (from-to) | 773-777 |
Number of pages | 5 |
Journal | Helvetica Chimica Acta |
Volume | 86 |
Issue number | 3 |
DOIs | |
Publication status | Published - Mar 2003 |
Scopus Subject Areas
- Catalysis
- Biochemistry
- Drug Discovery
- Physical and Theoretical Chemistry
- Organic Chemistry
- Inorganic Chemistry