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单词 carboxyl
释义 carboxyl Chem.|kɑːˈbɒksɪl|
[f. carbon n. + oxygen) + -yl = substance.]
A name given to the monad group {b1}CO·OH, contained in all the fatty acids; thus Formic acid is H{b1}CO·OH, Acetic acid CH3{b1}CO·OH, Butyric acid C3H7{b1}CO·OH.
1869Roscoe Elem. Chem. 346 Carboxyl we thus regard as contained in all the fatty acids: it is formed by the oxidation of methyl.1878Kingzett Anim. Chem. 33 Hydrogen is replaced by a monad carboxyl group.
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