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US4324722A Water-soluble substituted aminocarbonyl monoazo dyestuffs 失效
水溶性取代氨基羰基单偶氮染料

Water-soluble substituted aminocarbonyl monoazo dyestuffs
摘要:
Water-soluble monoazo dyestuffs are described, which, in the form of the free acid, correspond to the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, R.sub.10 and A have the meaning indicated in the description, and their preparation and suitability for dyeing natural and synthetic fibre materials, in particular for dyeing polyamide fibres.
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