单词 | phloramine |
释义 | > as lemmasphloramine phloramine n. Brit. /ˈflɒrəmiːn/ , /ˈflɔːrəmiːn/ , /ˈflɒrəmʌɪn/ , /ˈflɔːrəmʌɪn/ , U.S. /ˈflɔrəˌmin/ , /flɔˈræmən/ [after German Phloramin (H. Hlasiwetz 1861, in Ann. der Chem. u. Pharm. 119 202); compare French phloramine (1865 or earlier)] now rare a crystalline amine obtained by the reaction of ammonia with phloroglucinol; 5-aminoresorcinol, C6H3(OH)2NH2.ΚΠ 1862 H. Watts tr. L. Gmelin Hand-bk. Chem. XV. 69 Phloramine heated over the water-bath acquires a lemon-yellow and ultimately a dirty brown colour. 1873 F. Wöhler Outl. Org. Chem. 311 Phloramine... is formed by dissolving phloroglucin in heated aqueous ammonia. 1950 Jrnl. Amer. Chem. Soc. 72 1687/1 Its isomer, phloramine, 5-aminoresorcinol, was now found to react smoothly. < as lemmas |
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