单词 | acetylic |
释义 | acetylicadj. Chemistry. Now rare. Containing one or more acetyl groups (—C(O)CH3); derived from acetic acid. Cf. acetic adj., acetyl n. 2. ΚΠ 1844 G. Fownes Man. Elem. Chem. 400 Acetylic acid. 1881 Athenæum 12 Nov. 634/3 Malic anhydride can be obtained directly from malic acid by heating with an excess of acetylic chloride. 1967 Tetrahedron 23 3687 We prepared these compounds..by Knoevenagel condensation of ethyl acetoacetate with the corresponding acetylic aldehydes. 1986 European Jrnl. Epidemiol. 2 323/1 Measuring urinary sulfamethoxypyridazine and its acetylic metabolite. This entry has been updated (OED Third Edition, September 2009; most recently modified version published online December 2021). < adj.1844 |
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