Michlern.
/ˈmɪklə/, /ˈmɪxlə/, U.S. /ˈmɪklər/ Chemistry.
1. Michler's ketone n. the ketone corresponding to Michler's hydrol, made by treating phosgene or carbon tetrachloride with dimethylaniline; 4,4′-bis(dimethylamino)benzophenone, [C6H4N(CH3)2]2CO.
ΘΚΠ
the world > matter > chemistry > organic chemistry > ketones > [noun] > others
pyroacetic ether1810
pyroacetic spirit1810
pyroacetic acid1819
margarone1834
oleone1834
stearone1836
acetone1838
valerone1839
benzoin1863
acetophenone1871
anthrone1881
ionone1893
Michler's ketone1897
chalcone1899
butanone1902
butyrophenone1908
alkenone1945
tropolone1945
1897 Jrnl. Chem. Soc. 72 i. 157 The author obtained crystalline leuco-bases of dyes by the condensation of Michler's ketone with various phenols.
1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) lv. 830 This [sc. auramine O] was originally prepared..by heating Michler's ketone, tetramethyl-4:4′-diaminobenzophenone, with ammonium and zinc chlorides at 160°.
1949 P. W. Vittum tr. H. E. Fierz-David & L. Blangey Fund. Processes Dye Chem. i. 140 Michler's ketone and its homologs are important starting materials for the preparation of valuable triphenylmethane dyes such as Victoria blue B and Victoria pure blue BO.
1992 Jrnl. Physical Chem. 96 212/1 Another bis-4-aminoketone of interest is the triplet sensitizer Michler's ketone.
1999 Dyes & Pigments 43 223/2 The absorption maximum of Michler's ketone in methanol is at 369 nm.
2. Michler's hydrol n. a hydrol that is an important intermediate for the synthesis of triphenylmethane dyes; 4,4′-bis(dimethylamino)benzhydrol, [C6H4N(CH3)2]2CHOH.
ΘΚΠ
the world > matter > chemistry > organic chemistry > organic dyes > [noun] > miscellaneous others
safranine1868
chrome1876
azo-colours1879
azine1887
auxochrome1893
Michler's hydrol1910
hypsochrome1917
merocyanine1937
1910 Jrnl. Chem. Soc. 98 i. 451 Tetramethyldiaminobenzhydrylphosphinous acid.., prepared from Michler's hydrol, occurs in colourless crystals.
1937 F. C. Whitmore Org. Chem. 833 The dye intermediate, Michler's hydrol, is pp′-(Me2N)2-benzhydrol.
1971 R. L. M. Allen Colour Chem. viii. 110 Michler's hydrol..condenses with bases such as dimethylaniline to give triphenylmethanes which by oxidation and treatment with acids yield rosanilines.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
<
n.1897