单词 | skraup |
释义 | Skraupn. Chemistry. Used attributively and in the possessive to denote a reaction which Skraup discovered ( Sitzungsber. der K. Akad. der Wissensch. (Math.-Nat. Classe) (1880) 81 ii. 593), in which a quinoline is synthesized by heating a primary aromatic amine with glycerol, sulphuric acid, and an oxidizing agent. ΘΚΠ the world > matter > chemistry > organic chemistry > chemical processes or reactions > processes or reactions attributed to chemists > [noun] > others Skraup1886 Friedel–Crafts1892 Schotten–Baumann method1895 Cannizzaro1897 Grignard('s) reaction1904 Liebermann–Burchard reaction1904 Raschig process1920 Fischer–Tropsch1933 Schmidt reaction1937 1886 Jrnl. Chem. Soc. 50 79 Chloromethylquinoline..is prepared by Skraup's method from parachlorometatoluidine. 1935 L. F. Marek in P. H. Groggins Unit Processes in Org. Synthesis vii. 350 Quinoline is prepared from aniline and glycerol by the Skraup reaction. 1954 I. L. Finar Org. Chem. (ed. 2) I. xxxi. 691 Alizarin Blue..may be prepared by first reducing Alizarin Orange to the corresponding amino-compound and then heating this with glycerol, sulphuric acid and nitrobenzene (Skraup's synthesis). 1975 R. F. Brown Org. Chem. xxviii. 908 The Skraup synthesis involves a dehydration, a Michael addition, an electrophilic substitution (the ring-closing reaction), and an oxidation, all occurring in one flask during a relatively short period of refluxing. This entry has not yet been fully updated (first published 1986; most recently modified version published online September 2018). < |
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。