A salt or ester of a carboxylic acid; the anion R·COO− derived from a carboxylic acid; an ionized group —COO−.
| 单词 | θ70158 |
| 释义 | the world > matter > chemistry > organic chemistry > organic ions > [noun] (6) carboxylate1884 A salt or ester of a carboxylic acid; the anion R·COO− derived from a carboxylic acid; an ionized group —COO−. sulphonium1894 A hypothetical monovalent complex cation having a central sulphur atom bonded to three hydrogen atoms; also, any derivative of this in which one or… oxonium1899 The hydroxonium ion, H3O+; any analogue of this in which one or more of the hydrogen atoms are replaced by organic groups. Usually attributive. hexamethonium1949 a quaternary ammonium ion, [(CH3)3N(CH2)6N(CH3)3]++; (also) any of the salts of this ion, some of which have been used as ganglionic blocking drugs… lipoate1954 the anion, or a salt or ester, of lipoic acid. tropylium1954 The cation C7H7 +, which consists of a planar ring of seven CH groups and has aromatic character. Chiefly attributive or as a formative element in… |
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