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单词 picolinic
释义

picolinicadj.

Brit. /ˌpɪkəˈlɪnɪk/, /ˌpɪkəˈliːnɪk/, U.S. /ˌpikəˈlɪnɪk/
Origin: Formed within English, by derivation. Etymons: picoline n., -ic suffix.
Etymology: < picoline n. + -ic suffix.
Chemistry.
picolinic acid n. a crystalline acid derived from α-picoline by oxidation of the methyl group; pyridine-2-carboxylic acid, (HOOC)C5H4N.
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the world > matter > chemistry > organic chemistry > organic acids > [noun] > carboxylic acids > functional derivatives
phthalic anhydride1855
monoglyceride1860
trimellitic acid1872
picolinic acid1876
thioglycollic acid1877
tetra-icosoic acid1894
phosphatidic acid1927
sialic acid1952
thioctic acid1952
1876 Amer. Cycl. XV. 784/1 This oil has been detected in tobacco smoke together with..numerous basic substances of the picolinic series.
1946 A. A. Morton Chem. Heterocyclic Compounds viii. 213 Picolinic acid..is obtained in 50 to 51 percent yield from α-picolin.
1968 Listener 21 Mar. 376/1 A second class of compounds being used [as defoliants, etc.] are derivatives of picolinic acid.
2001 Bioscience, Biotechnol. & Biochem. 65 2337 Niacin-related compounds, particularly picolinic acid, induced apoptosis in human leukemia cells.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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adj.1876
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