单词 | propargyl |
释义 | propargyln. Chemistry. An unsaturated hydrocarbon radical related to propyne; 2-propynyl. Usually attributive or a formative element in chemical names.Formula: —CH2C≡CH. ΚΠ 1872 Jrnl. Chem. Soc. 25 686 A distillate is obtained showing the reactions of the propargyl-compounds, and containing most probably propargyl-alcohol. 1931 Jrnl. Amer. Chem. Soc. 53 1068 (title) Propargyl ethers of phenol. 1960 R. M. Acheson Introd. Chem. Heterocyclic Compounds vii. 272 Isoxazole itself is obtainable from propargyl aldehyde and hydroxylamine. 1992 Organometallics 11 292/2 Reaction with propargyl tosylate resulted in two isomers, the major being the one where the propargyl group had undergone the 1,2 shift. Compounds propargyl alcohol n. a colourless, fragrant, liquid alcohol; 2-propyn-1-ol.Formula: CH≡CCH2OH. ΚΠ 1872 Jrnl. Chem. Soc. 25 686 A distillate is obtained showing the reactions of the propargyl-compounds, and containing most probably propargyl-alcohol. 1967 I. L. Finar Org. Chem. (ed. 5) I. xii. 302 The simplest acetylenic alcohol is propargyl alcohol (prop-2-yn-1-ol). 1989 tr. C. Elschenbroich & A. Salzer Organometallics xv. 275 Propargyl alcohols are converted by strong acids into metal-stabilized propargyl cations. This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022). < n.1872 |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。