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单词 carboxylic
释义

carboxylicadj.

Brit. /ˌkɑːbɒkˈsɪlɪk/, U.S. /ˌkɑrˌbɑkˈsɪlɪk/
Origin: Apparently formed within English, by derivation. Etymons: carboxyl n., -ic suffix.
Etymology: Apparently < carboxyl n. (although this is first attested slightly later) + -ic suffix. Compare French carboxylique (1863 or earlier).In carboxylic acid n. at sense 1 after German Carboxylsäure (J. U. Lerch 1862, in Ann. der Chem. u. Pharm. 124 23).
Chemistry.
1. carboxylic acid n. any organic acid containing one or more carboxyl groups (see sense 2); (also) forming the termination of names of particular acids of this kind.Originally applied by Lerch (see etymology) to one such acid; cf. quot. 1877.The simplest carboxylic acids are the members of the fatty acid series: methanoic (or formic) acid, HCOOH, ethanoic (or acetic) acid, CH3COOH, propanoic (or propionic) acid, C2H5COOH, etc.
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the world > matter > chemistry > organic chemistry > organic acids > [noun] > carboxylic acids > miscellaneous others
urobenzoic acid1836
adipic acid1838
azelaic acid1838
isethionic acid1838
rutinic acid1845
rutic acid1848
glyoxylic acid1856
malonic acid1859
piperic acid1863
butalanine1865
methacrylic acid1865
barbituric acid1866
pichuric acid1866
carboxylic acid1868
gluconic acid1871
xylic acid1872
xylidic acid1872
aconic acid1873
formobenzoic1873
nicotinic acid1873
hydracrylic acid1877
undecylenic acid1879
isonicotinic acid1883
isatoic acid1885
linolenic acid1887
hendecenoic acid1889
heptenoic acid1889
mannonic acid1890
phenolcarboxylic acid1893
naphthenic acid1894
aldonic acid1904
naphthaleneacetic acid1917
heptanoic acid1928
hexuronic acid1928
pantothenic acid1933
neuraminic acid1942
pantoic acid1945
penicillanic acid1953
mevalonic acid1957
retinoic acid1960
isobutyric acid-
1868 A. W. Hofmann in Proc. Royal Soc. 16 303 In accordance with a principle of nomenclature which I proposed some time ago, I will designate the new acid by the name of naphthaline-carboxylic acid.
1868 A. W. Hofmann in Proc. Royal Soc. 16 445 The transformation of naphtaline [sic] into its carboxylic acid.
1877 H. Watts Dict. Chem. (new ed.) IV. 296 Carboxylic acid, C10H4O10, is known only in its salts, which are formed by oxidation of the hydrogen in the trihydro-, dihydro-, and hydro-carboxylates.
1883 Jrnl. Chem. Soc. 44 802 (heading) Conversion of phenols into nitriles and carboxylic acids.
1911 Encycl. Brit. XXII. 33/1 Cycloheptane carboxylic acid (suberanic acid), C7H13CO2H.
1959 New Biol. 30 99 The main part of the cuticle is composed of cutin; this is a polymer of high molecular weight formed from carboxylic acids.
1987 J. M. Tedder & A. Nechvatal Basic Org. Chem. (ed. 2) xii. 152 The most important reaction of a cyanide is hydrolysis to yield first the amide and then the carboxylic acid.
2001 Ann. Bot. 88 980/1 The S-type anion channels are also inhibited by diphenylamine-2-carboxylic acid.
2005 C. de Duve Singularities vi. 58 Lipoic or thioctic acid, an eight-carbon carboxylic acid bearing two thiol groups.
2. Of or containing the group —COOH; designating this group.
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the world > matter > chemistry > organic chemistry > organic groups > [adjective] > carboxyl groups
carboxylic1881
1881 H. C. Jones Text-bk. Pract. Org. Chem. 61 It is only the carboxylic hydrogen that can be replaced by metals to form salts.
1881 Science 9 Apr. 168/1 When the molecule loses calcium and phosphoric acid the carboxylic groups appear.
1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) vi. 146 The basicity of an acid depends on the number of such carboxylic groups present in the molecule.
1972 Materials & Technol. V. xiv. 482 Recently, carboxylated NBR has been introduced... The carboxylic groups enhance solvent resistance.
2004 W. Carruthers & I. Coldham Mod. Methods Org. Synthesis (ed. 4) i. 25 Reduction of the ester group in the presence of the carboxylic amide..gave iridomyrmecin.
This entry has been updated (OED Third Edition, December 2008; most recently modified version published online December 2021).
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adj.1868
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