单词 | acenaphthylene |
释义 | acenaphthylenen. Chemistry. A crystalline aromatic hydrocarbon found in coal tar and tobacco smoke. Cf. acenaphthene n.Acenaphthylene has a tricyclic molecule with two benzene rings fused as in naphthalene with an ethylene bridge between positions 1 and 8. Formula: C12H8. ΘΚΠ the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > polynuclear aromatic hydrocarbons green oil1607 paranaphthalene1838 anthracene1840 oxanthracene1862 chrysene1864 cerulein1866 acenaphthene1868 naphthoquinone1870 anthracene oil1873 azulene1874 acenaphthylene1875 ionene1894 1875 Chem. News 15 Jan. 31/1 The author has examined acenaphthylen-bromide and its derivatives. 1877 H. Watts Fownes's Man. Elem. Chem. II. 582 Acenaphthylene is formed by passing the vapour of acenaphthene over gently heated lead oxide. It..crystallises in yellow tables..its picric acid compound forms yellow needles. 1920 Jrnl. Industr. & Engin. Chem. 13 824/1 Acenap[h]thene readily loses two atoms of oxygen to form acenaphthylene and on further oxidation gives naphthalic acid. 1997 F. W. Eastwood in Y. Vallée Gas Phase Reactions Org. Synthesis i. 30 A dramatic shift of the labelled atom would occur on automerization of acenaphthylene. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021). < n.1875 |
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。