Originally: the simplest pinacol, 1,4-dimethylpropan-2,3-diol, (CH3)2(OH)C—C(OH)(CH3)2. In later use: any pinacol.
| 单词 | θ69551 |
| 释义 | the world > matter > chemistry > organic chemistry > ketones > [noun] > cyclic ketones (10) pinacone1866 Originally: the simplest pinacol, 1,4-dimethylpropan-2,3-diol, (CH3)2(OH)C—C(OH)(CH3)2. In later use: any pinacol. menthone1889 A cyclic ketone which is an oily liquid with an odour of peppermint, occurring in peppermint, geranium, and other essential oils… fenchone1891 An oily liquid with a camphor-like smell which occurs naturally in two enantiomorphic forms in various essential oils (as fennel oil and thuja oil)… pyrone1891 Each of two unsaturated, heterocyclic ketones having the formula C5H4O2, spec. γ-pyrone (see note below). Also: a substituted derivative of such… tropinone1896 A crystalline heterocyclic ketone obtained by oxidation of the hydroxyl group of tropine. humulone1916 A bitter, yellow, crystalline, cyclic ketone, C21H30O5, that is an important constituent of hops and has strong antibiotic activity. lupulone1919 A bitter, crystalline, cyclic ketone, C26H38O4, that is an important constituent of hops and has strong antibiotic activity. isoflavone1925 (a) the crystalline tricyclic ketone 3-phenylbenzo-4-pyrone, C15H10O2; (b) any of the derivatives of this compound, which occur (often as glycosides)… irone1948 Originally: a fragrant oil obtained from orris root (Iris germanica and other species). Later: each of three isomeric cyclic ketones (α-irone, β-irone… tropone1951 A viscous liquid ketone, of which tropolone is the hydroxylated derivative; (also) any substituted derivative of this. |
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