释义 |
aryl Chem.|ˈærɪl, also commonly ˈæraɪl| [ad. G. arryl (D. Vorländer 1899, in Jrnl. Prakt. Chemie LIX. 247), now aryl, f. aromatic + -yl.] A general term for an organic radical derived from an aromatic hydrocarbon by the removal of one hydrogen atom. So aryˈlation, the introduction of an aryl group into a substance.
1906M'Gowan & Sudborough tr. A. Bernthsen's Textbk. Org. Chem. xxi. 365 The purely aliphatic alkyl radicals are termed alphyl groups, and the aromatic, aryl. 1918J. C. Cain Manuf. Intermed. Prod. for Dyes 4 Arylation is usually effected by means of the corresponding amine. 1955Brown & Dey India's Mineral Wealth (ed. 3) x. 391 Some of the more stable silicone esters, the aryl and higher alkyl silicates, are said to show promise as liquid media for heat-exchange and hydraulic systems. 1958Oxf. Univ. Gaz. 23 Apr. 881 A quantitative study of the arylation of naphthalene by free radical reactions. 1959Times 17 Mar. 4/3 Alkyl aryl sulphonates. |