“acetamide”的英文意思_释义_用法

单词

acetamide

释义

acetamide Chem.|ˈæsɪtəˌmaɪd, əˈsɛtəmaɪd|
[f. acet- + amide.]
1. The primary amide in which the replacing acid radical is acetyl; C₂H₃O.NH₂; a white crystalline solid of nearly neutral properties.
1873Williamson Chem. §282 Products formed like acetamide by the replacement of hydrogen in ammonia by a radical of chlorous properties are called amides.1874Roscoe Elem. Chem. 354 Acetamide is a colourless solid, fusing at 78°, and boiling at 222°.1877Watts Fownes' Chem. II. 379 Acetamide..crystallizes in long needles.
2. A series of analogous compounds, in which two or all three hydrogen atoms in ammonia NH₃, are replaced by the radical acetyl (diacetamide, triacetamide), or in which one or two are replaced by acetyl, and one or two by other radicals, as ethyl-acetamide, ethyl-diacetamide, etc.

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