The synthesis of chiral decalones, (−)-1,1,4a-trimethyl-2-decalol and (+)-geosmin from S-(+)-carvone (part 3)
作者:Henk J. Swarts、Anja A. Haaksman、Ben J.M. Jansen、Aede de Groot
DOI:10.1016/s0040-4020(01)88303-4
日期:1992.1
The cholesterol biosynthesis inhibitor (−),1,1,4a-trimethyl-2-decalol (4), the chiral decalones 6 and 7, and (+)-geosmin (9 were synthesized from S-(+)-carvone. Annelation of S-(−)-dihydrocarvone followed by methylation gave compound 8 which was used as a key intermediate for the synthesis of decalol 4 and ketone 5. A short isomerisation-ozonation sequence was developed for the removal of the isopropenyl