| 单词 | ethyl radical |
| 释义 | > as lemmasethyl radical C1. attributive, as ethyl group, ethyl radical, etc. Frequently in names of compounds. ΚΠ 1850 Philos. Trans. (Royal Soc.) 140 113 The deportment of aniline with bromide of methyl resembles its behaviour with the ethyl-compound. 1857 Proc. Royal Soc. 1856–7 8 512 The liquid..possesses a composition and an aggregate of properties which closely resemble those of the mercaptan of the ethyl-series. 1890 J. M. Thomson & A. G. Bloxam Bloxam's Chem. (ed. 7) 570 Ethyl butyrate..is sold as ananas oil, or essence of pineapple. 1914 Jrnl. Industr. & Engin. Chem. 6 1021/1 Alkylating—This is the introduction of methyl or ethyl groups into hydroxyl groups or into amido groups. 1936 S. Glasstone Recent Adv. Gen. Chem. ix. 391 By streaming the vapours of acetone, methyl ethyl ketone, or diethyl ketone..through a tube exposed to ultra-violet radiation from a mercury-vapour lamp, free methyl and ethyl radicals are produced. 1960 F. G. Mann & B. C. Saunders Pract. Org. Chem. (ed. 4) ii. 186 Phenetole (ethyl phenyl ether) is the main product. 1992 W. H. Brock Fontana Hist. Chem. vi. 218 Oxidation of alcohol to acetic acid justified Liebig's acetyl radical, C4H3; its esterification also justified Liebig's ethyl radical. 1999 J. Weiner Time, Love, Memory 87 Lewis recommended a poison called ethyl methane sulfonate. 2006 J. M. Hornback Org. Chem. (Internat. Student ed.) xxviii. 1205 Norgestrel..is similar to norethindrone but has an ethyl group at position 13 rather than a methyl group. < as lemmas |
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