Franserin and confertin: new pseudoguaianolides isolated from franseria and ambrosia species
- 1 May 1968
- journal article
- research article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 46 (9) , 1535-1538
- https://doi.org/10.1139/v68-251
Abstract
Two pseudoguaianolides were isolated from Franseria ambrosi-oides: damsin of known structure and franserin whose constitution was established as a 10-hydroxytetrahydroambrosin. From Ambrosia con-fertiflora were isolated the known desacetylconfertiflorin and confertin, a new lactone found also as constituent of Ambrosia tenuifolia. It was identified as the ketolactone previously prepared from cumanin.This publication has 0 references indexed in Scilit: