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单词 hydramide
释义

hydramiden.

/ˈhʌɪdrəmʌɪd/
Etymology: < hydr- (in hydro- comb. form 4) + amide n.
Chemistry.
A tertiary diomide formed by the action of ammonia on certain aldehydes, chiefly aromatic, as benzoic aldehyde.
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the world > matter > chemistry > organic chemistry > aldehydes or alkanals > [noun] > aldehyde derivatives
acetal1838
hydramide1865
phenylhydrazone1888
hemi-acetal1893
formal1900
1865–72 H. Watts Dict. Chem. III. 178 The hydramides are crystalline solids, insoluble in water..not possessing alkaline properties.
1865–72 H. Watts Dict. Chem. III. 178 Some hydramides, e.g. hydrobenzamide and hydrosalicylamide, are decomposed by acids, yielding ammonia and the corresponding aldehydes.
This entry has not yet been fully updated (first published 1899; most recently modified version published online June 2018).
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n.1865
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