单词 | ethene |
释义 | ethenen. Chemistry. A flammable hydrocarbon gas of the alkene series, occurring in natural gas, coal gas, and crude oil and given off by ripening fruit; = ethylene n. 1. Also: any substituted derivative of this compound.Formula: C2H4. ΘΚΠ the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > alkenes > straight-chained, by number of carbon atoms > two etherene1842 ethene1848 ethylene1849 1848 Dublin Q. Jrnl. Med. Sci. 5 234 In the Ethene series, olefiant gas, C4H4 = ethene, is the fundamental nucleus. 1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 557 Ethene is formed by the action of nascent hydrogen upon ethine or acetylene. 1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) i. 51 Ethylene (ethene), olefiant gas, CH2:CH2. 1940 Science 7 June 536/2 The thermal alkylation process operates best when using charging stocks made up of isobutane and ethene. 1988 New Scientist 28 Apr. 85/2 The organic chemical produced in largest tonnage is ethene (ethylene), and this is the starting point of most plastics and polymers. 1988 Nature 25 Aug. 690/1 The primary route for the formation of phosgene is likely to be the oxidation of chlorinated ethenes. 2010 D. A. Rothery Planets: Very Short Introd. iii. 76 Jupiter has ethene (C₂H₄), and Jupiter and Saturn both have phosphine (PH₃), carbon monoxide (CO), and germane (GeH₄). Compounds C1. General attributive; frequently in the names of chemical compounds. ΚΠ 1848 Dublin Q. Jrnl. Med. Sci. 5 234 In the Ethene series, olefiant gas, C4H4 = ethene, is the fundamental nucleus. 1892 Chem. News 10 June 278/1 Amines.—No change for the compound ammonias (ethylamine, ethylmethylamine, and ethene-diamine). 2000 Freight Jan. 20/1 Among these is ethene gas, the basic building block of PAO (polyalphaolefin) synthetic lubricants. C2. ethene oxide n. = ethylene oxide n. at ethylene n. Compounds. ΚΠ 1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 655 Ethene oxide is isomeric with aldehyde and with vinyl alcohol. 1930 D. L. Sayers & ‘R. Eustace’ Documents in Case li. 254 You can make it by heating ethene oxide with triethylamine. That gives you your cholin. 1995 P. M. Treichel in E. W. Abel et al. Comprehensive Organometallic Chem. II VI. i. 15 Preparation of carbene complexes..by the reaction of ethene oxide and aziridine at a coordinated carbonyl group is noted. This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022). < n.1848 |
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