| 单词 | hadromal |
| 释义 | > as lemmasˈhadromal ˈhadromal n. [ < German hadromal (F. Czapek 1899, in Zeitschr. f. Physiol. Chem. XXVII. 163] a hydrolysis product of lignin; para-coniferyl aldehyde, C6H2(OH)(OCH3)CH:CHCHO. ΘΚΠ the world > matter > chemistry > organic chemistry > aldehydes or alkanals > [noun] > miscellaneous named aldehydes > others acrolein1841 metaldehyde1841 trichlorocetaldehyde1845 valeral1852 toluic aldehyde1857 glyoxal1858 acraldehyde1864 propionic aldehyde1866 lauric aldehyde, ether1868 salicylaldehyde1869 dialdane1876 isovaleraldehyde1883 rhodinal1892 propenal1894 oxaldehyde1895 methylglyoxal1898 hadromal1899 malondialdehyde1904 pyruvic aldehyde1909 trioxan1915 plasmal1925 1899 Jrnl. Chem. Soc. 76 i. 560 A substance termed hadromal has been isolated from different woody tissues; it has the properties of a phenol and of an aldehyde. 1928 Chem. Abstr. 22 399 Czapek's hadromal.., which he considers responsible for the characteristic red color given by wood tissues with phloroglucinol-HCl. 1952 F. E. Brauns Chem. Lignin iv. 37 Hadromal occurs in wood as a coniferyl aldehyde cellulose ester. < as lemmas |
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