%0 Journal Article %T Synthesis of tetrahydrokhusitone. Annulation of the cyclohexane ring by free radical and carbanionic sequence of reactions %A GORAN PETROVIC %A ZIVORAD CEKOVIC %J Journal of the Serbian Chemical Society %D 2003 %I Serbian Chemical Society %X The synthesis of norcadinane sesquiterpene tetrahydrokhusitone 1 has been achieved by a new method for annulation of cyclohexane ring involving a sequence of free radical d-alkylation of the non-activated carbon atom and intramolecular carbanionic alkylation. ( )-Menthol was used as the starting compound. %K khusitone %K norcadinanes %K annulation of the cyclohexane ring %K 1 %K 5-hydrogen transfer %K cycloalkylation %K isomerization %K tetrahydrokhusitone %U http://www.shd.org.yu/HtDocs/SHD/Vol68/No4-5/V68-No4_5-09.pdf