L(-)-карвон

Химические свойства

clear colorless to pale yellow liquid

Вхождение

R-Carvone is the main substance in spearmint oil, also present in toothpastes; it is the cause of delayed-type allergy resulting in cheilitis, but Hansson et al. also described a case of angioedema of the lips appearing within minutes after contact with toothpaste, with an open test resulting in an immediate and strong reaction to carvone.

Использование

(R)-(-)-Carvone is used in the flavor and food industry such as chewing gum additives. It is used in air freshening products such as in essential oils as well as in aromatherapy and alternative medicine. It is used to prepare carvomenthol, carvomenthone, dihydrocarvone, carveol and limonene. It reacts with lithium dimethylcuprate to place a methyl group trans to the isopropenyl group with good stereoselectivity. It is also used as a mosquito repellent and prevent premature sprouting of potatoes. Further, it is employed as an important starting material for the synthesis of enantiopure (R)-(+)-3-methyl-6-isopropenyl-cyclohept-3-enone-1 and (4S,6R,7R)-trihydroxy-1-octyne derivatives. It is utilized as a vital raw material for the asymmetric total synthesis of natural products. In addition to this, it is used as a chiral starting material.

Определение

ChEBI: A carvone having (R) configuration.

Общее описание

(-)-Carvone, a monoterpene ketone which is the main active component of mentha plant species like Mentha spicata. It has antinociceptive activity which is found to be associated with decreased peripheral nerve excitability.

Профиль безопасности

Poison by intravenous route. Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes.