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Synlett 2000; 2000(6): 0890-0892
DOI: 10.1055/s-2000-6698
DOI: 10.1055/s-2000-6698
letter
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Bisabolane Sesquiterpenes: Synthesis of (R)-(+)-Sydowic Acid and (R)-(+)-Curcumene Ether
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Publikationsverlauf
Publikationsdatum:
31. Dezember 2000 (online)
![](https://www.thieme-connect.de/media/synlett/200006/lookinside/thumbnails/10.1055-s-2000-6698-1.jpg)
A stereoselective synthesis of (R)-(+)-sydowic acid 1 and (R)-(+)-curcumene ether 2 is described. The enantiomerically pure tetrahydropyran building block (R)-(-)-cinenic acid 5 is obtained by resolution of the racemic acid. The aromatic moiety is constructed using a benzoannulation reaction as a key step. An easy way to the title compounds in racemic form is also reported.
annulations - cyclizations - sesquiterpenes - tetrahydropyran - phenols