单词 | isatoic |
释义 | isatoicadj. Chemistry. 1. isatoic acid [translating German isatosäure (H. Kolbe 1884, in Jrnl. f. prakt. Chem. XXX. 85): see isat- comb. form] : †(a) = isatoic anhydride at sense 2 (below) (obsolete); (b) N-Carboxyanthranilic acid, C6H4(COOH) (NHCOOH), known only as its derivatives. ΘΚΠ the world > matter > chemistry > organic chemistry > acid anhydrides > [noun] isatoic acid1885 ethanoic anhydride1892 isatoic anhydride1899 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- 1885 Jrnl. Chem. Soc. 48 i. 58 Isatin is converted by chromic acid, dissolved in glacial acetic acid, into an acid which the author styles isatoic acid... It is sparingly soluble in cold water and alcohol. 1885 Jrnl. Chem. Soc. 48 i. 666 Anthranil~carboxylic acid..has the same composition as isatoic acid. 1899 [see sense 2]. 1902 Jrnl. Chem. Soc. 82 i. 454 Isatoic acid..results from the action of hypochlorous acid on phthalimide in the absence of alkali hydroxides. 1930 Chem. Abstr. 24 4793 Isatoic acid and its derivs. are obtained by treating congo acid solns. of aromatic o-aminocarboxylic acids with COCl2. 2. isatoic anhydride [after German isatosäure-anhydrid (E. Erdmann 1889, in Berichte der Deutsch. Chem. Ges. 32 2163)] . The anhydride, C6H4·CO·O·CO·NH, of isatoic acid, obtained by oxidation of isatin. ΘΚΠ the world > matter > chemistry > organic chemistry > acid anhydrides > [noun] isatoic acid1885 ethanoic anhydride1892 isatoic anhydride1899 1899 Jrnl. Chem. Soc. 76 i. 939 ‘Isatoic acid’ is thus not an acid, but the anhydride of a dicarboxylic acid, COOH·C6H4·NH·COOH. The author calls this dibasic acid isatoic acid, and the anhydride, previously known as isatoic acid he terms isatoic anhydride. 1944 Jrnl. Org. Chem. 9 55 Isatoic anhydride is a convenient reagent for certain anthranoylations. 1971 Jrnl. Pharmaceutical Sci. 60 1252/1 The condensation of isatoic anhydride with primary amines was found to yield the corresponding substituted anthranilamides. This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018). < adj.1885 |
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