105996-73-4Relevant articles and documents
SHYNTHESIS OF (1S,5R)-KARAHANA ETHER AND (1S,5R)-KARAHANA LACTONE. THE OPTICALLY ACTIVE FORMS OF UNIQUE MONOTERPENES WITH A 6-OXABICYCLOOCTANE RING SYSTEM
Mori, Kenji,Mori, Hideto
, p. 5487 - 5494 (2007/10/02)
(1S,5R)-(-)-Karahana ether (8,8-dimethyl-2-methylene-6-oxabicyclooctane) and (1S,5R)-(-)-karahana lactone (8,8-dimethyl-2-methylene-6-oxabicyclooctan-7-one) were synthesized from (S)-3-hydroxy-2,2-dimethylcyclohexanone.The natural karahana lactone was shown to be almost racemic (ca. 1.3 percent e.e.).