单词 | acetylate |
释义 | acetylatev. Chemistry. transitive. To introduce an acetyl group into (a molecule or compound). ΘΚΠ the world > matter > chemistry > organic chemistry > chemical processes or reactions > [verb (transitive)] > acetylation acetylate1885 1885 Jrnl. Amer. Chem. Soc. 7 249 In order to obtain isomers holding different positions, pseudocumidine was acetylated, then nitrated. 1927 T. Woodhouse Artificial Silk: Manuf. & Uses iv. 31 The raw material is almost invariably cotton which is acetylated by acetic anhydride in the presence of a catalyst, usually sulphuric acid. 1946 Nature 19 Oct. 553/2 Wassermann has attempted to acetylate alginic acid with ketene. 1977 Ann. Internal Med. 86 103/2 Aspirin blocks the platelet release reaction and associated secondary irreversible aggregation by acetylating prostaglandin synthetase. 2004 Times Lit. Suppl. 10 Dec. 29/1 The tale..really gets going when chemists discover how to acetylate the active ingredient, salicylic acid. Derivatives aˈcetylating adj. ΘΚΠ the world > matter > chemistry > organic chemistry > chemical processes or reactions > [adjective] > acetylation acetylated1880 acetylating1899 1899 U.S. Patent 629,748 1/1 If this naphthylenediamin sulfonic acid is suitably treated with certain acetylating agents, such as acetic acid, one of the amido groups is acetylated. 1908 Science 21 Feb. 315/1 Ketene..is an admirable acetylating agent. 1988 Q. N. Myrvik & R. S. Weiser Fund. Med. Bacteriol. & Mycol. (ed. 2) vi. 87 A variety of enzymes which inactivate aminoglycosides have been identified. These include acetylating, phosphorylating and adenylating enzymes. This entry has been updated (OED Third Edition, September 2009; most recently modified version published online December 2021). < |
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