| 释义 |
oxindole Chem.|ɒkˈsɪndəʊl|
Also -ol.
[f. ox- 1 = oxy- + indole.]
A colourless crystalline substance (C8H7NO), becoming an oil when heated, consisting of indole combined with one equivalent of oxygen. Hence dioxindole, containing two equivalents of oxygen (C8H7NO2): see di-2 2 c.
1872Watts Dict. Chem. VI. 733 Indol..is produced..by passing the vapour of oxindol over heated zinc-dust. Ibid. 736 The oxindol..forms long colourless needles or feathery groups,..and at higher temperatures distils..as a colourless or reddish oil which immediately solidifies in the crystalline form... On exposure to the air, it is partly converted by oxidation into dioxindol. 1881Nature XXIV. 229/1 A body called oxindol, from which isatin, and therefore indigo, can be obtained. 1892Morley & Muir Watts' Dict. Chem. III. 661 Oxindole..dioxindole. |