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单词 acetylate
释义

acetylatev.

Brit. /aˈsɛtᵻleɪt/, U.S. /əˈsidlˌeɪt/
Origin: Formed within English, by derivation. Etymons: acetyl n., -ate suffix3.
Etymology: < acetyl n. + -ate suffix3. Compare earlier acetylated adj., acetylation n.
Chemistry.
transitive. To introduce an acetyl group into (a molecule or compound).
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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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