| 单词 |
indanthrone |
| 释义 |
indanthrone Chem.|ˈɪndənθrəʊn|
[f. indanthrene + -one.]
a. A blue compound, C28H14N2O4, which is composed of two anthraquinone nuclei linked by two imino-groups and is the parent compound of an important group of vat dyes.
b. Any of the derivatives of this compound.
1920F. A. Mason tr. G. von Georgievic's Text-bk. Dye Chem. (ed. 2) 449 Indanthrene (or more correctly Indanthrone, which expresses the quinoid character of the compound, whereas the name generally used would correspond to an oxygen-free compound) is a dianthraquinone-dihydroazine. 1921[see indanthrene]. 1921E. de B. Barnett Anthracene & Anthraquinone xvi. 343 By far the most important method of obtaining the indanthrones is by fusing the β-aminoanthraquinones with caustic alkali. 1954I. L. Finar Org. Chem. (ed. 2) I. xxxi. 689 Indanthrone (Indanthrene Blue R; Bohn, 1901) is prepared by fusing 2-amino-anthraquinone with potassium hydroxide in the presence of potassium chlorate or nitrate at 250°. 1959Jrnl. Amer. Chem. Soc. LXXXI. 3762/2 Strong amide resonance contributes greatly to the resonance hybrid of the indanthrones. |
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