发明授权
US5214207A Phenyl- or naphthylazobenzenes with multiple reactive groups and intermediates therefor 失效
具有多个反应性基团的苯基或萘基偶氮苯及其中间体

Phenyl- or naphthylazobenzenes with multiple reactive groups and
intermediates therefor
摘要:
Reactive dyes useful for dyeing or printing hydroxyl-or amino-containing organic substrates which are preparable from phenylenediamine intermediates of the formula ##STR1## wherein X is hydroxyl or halogen; R.sup.1, R.sup.2 and R.sup.3 are each hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl; and A is substituted or unsubstituted C.sub.2 -C.sub.8 -alkylene.
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