A process for the manufacture of aromatic nitriles by reacting an aromatic halogen compound with formamide and the anhydride of a monocarboxylic acid in the presence of a copper catalyst and an acid-binding agent. Particularly applicable to replacement of halogen ortho to the azo linkage of an azo dyestuff by cyano.
Connor, Joseph A.; Gibson, Danuta; Price, Raymond, Journal of the Chemical Society. Perkin transactions I, 1987, p. 619 - 622
作者:Connor, Joseph A.、Gibson, Danuta、Price, Raymond
DOI:——
日期:——
THIEL W.; MAYER R.; JAUER E.-A.,MODROW H.; DOST H., J. PRAKT. CHEM., 1986, 328, N 4, 497-514
作者:THIEL W.、 MAYER R.、 JAUER E.-A.,MODROW H.、 DOST H.
DOI:——
日期:——
Disperse dye mixture
申请人:ZENECA LIMITED
公开号:EP0300626B1
公开(公告)日:1994-01-19
DISPERSE DYE MIXTURES, THEIR PREPARATION AND USE
申请人:DyStar Colours Distribution GmbH
公开号:US20140123407A1
公开(公告)日:2014-05-08
The present invention relates to dye mixtures containing at least one dye of formula (I) and at least either a dye of formula (II) and/or at least one dye of formula (III) where R
1
-R
15
, n, o, X and D
1
-D
3
are each as defined in claim
1
. These dye mixtures are useful for dyeing or printing hydrophobic materials in particular.