| 单词 | amido derivatives |
| 释义 | > as lemmasamido derivatives combining form of amide n.; used also in the phrases amido compounds, amido derivatives, i.e. those in which one atom of hydrogen is replaced by an atom of the radical amidogen NH2, as amido-benzine (= aniline n.), amido-ethane (= ethylamine n. at ethyl n. Derivatives), amido-methane (= methylamine n.), amido-caproic acid, etc. For recent use seeamino- comb. form and quot. 1949. ΚΠ 1854 J. Pereira Elem. Materia Med. (ed. 4) I. 938 Amido-chloride of mercury. 1864 Reader 18 June 782/1 The fluorescence of two new substances—amidophthalic and amidoterephthalic acid. 1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 572 It is converted into amidobenzene or aniline. 1873 H. Watts Fownes's Man. Elem. Chem. (ed. 11) 683 Alanine, or amidopropionic acid. 1877 H. Watts Fownes's Man. Elem. Chem. II. 446 Benzene group: amido derivatives. 1877 H. Watts Fownes's Man. Elem. Chem. II. 446 Only one nitro-group is obtained in the first instance, so that nitro-amido compounds are obtained. 1881 Thudichum Ann. Chem. Med. II. viii, On the Albuminous Substances, Amides, Amido-Acids, and Ammonium Salts as Sources of the Urea. 1949 S. Miall & L. M. Miall New Dict. Chem. 29/2 The prefix amido..is now usually restricted to compounds containing the amide group (—CO.NH2). < as lemmas |
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