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单词 hadromal
释义

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ˈhadromal
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.
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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.
extracted from hadromen.
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