Ionone, a ketone first prepared by Tiemann, and having when diluted a pronounced violet odour.
Besides methyl salicylate, the oil contains triaconitane, an aldehyde or ketone, and an alcohol.
Even the common linseed contains a glucoside which breaks up into sugar, prussic acid, and a ketone.
If the groups R and R′ are identical, the ketone is called a simple ketone, if unlike, a mixed ketone.
The hexoses all contain five alcoholic groups and one primary aldehyde, or one secondary aldehyde (ketone), group.
The ketone group corresponds to a thermal effect of 53.52 calories.
chemical group, 1851, from German keton, coined in 1848 by German chemist Leopold Gmelin (1788-1853) from German Aketon, from French acétone (see acetone). Its comb. form is keto-.
ketone ke·tone (kē'tōn')
n.
Any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals.
