| 摘要 |
1323253 Monoazo dyes CIBA-GEIGY AG 16 June 1971 [29 June 1970] 28105/71 Heading C4P New monoazo dyes of formula wherein Y-R is a benzene or naphthalene radical containing SO 3 H groups, Y-D is the radical of a benzene or heterocyclic coupling component, one Y is H and the other is a radical of formula bonded via an amino group and A is a trimethylammonium, pyridinium, N,N-dimethylhydrazinium or 1 - azonia - 4 - aza - bicyclo - (2.2.2)- octane residue are prepared by condensation and quaternation reactions, for example, by condensing an appropriate aminoazo dye with a halotriazine, the product further condensed with morpholine and the final halogen atom replaced by reaction with compounds introducing group A. The dyes are used to colour natural and regenerated cellulose fibres in yellow shades. Reference has been directed by the Comptroller to Specification 1,009,432. |
