Enantiomeric Composition of Monoterpene Hydrocarbons from the Liverwort Conocephalum-Conicum

• Volatiles from the essential oil of the liverwort Conocephalum conicum were analysed. The chirality of the monoterpene hydrocarbons was studied by two-dimensional ps chromatography. All compounds except beta-phellandrene showed high optical purity. For the identification of enantiomers, (+)-beta-phellandrene and (-)-alpha-thujene were prepared from (+)-limonene and (+)-sabinene, respectively.

Nyckelord

conocephalum-conicum

hepaticae

liverwort

monoterpene hydrocarbons

(+)-beta-phellandrene

(-)-alpha-thujene

chiral composition

Organic Chemistry

Organisk kemi

Ecological chemistry

Ekologisk kemi

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