Importance

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Abstract

1:1 and 1:2 metal complex reactive dyestuffs based on at least one metallizable dyestuff of the formula ##STR1## wherein D=the radical of a metallizable diazo component with an OH group or COOH group in the o-position relative to the azo bridge, K=the radical of a coupling component which couples in the o-position relative to a phenolic or enolic OH group, W= ##STR2## R, R.sub.1 and R.sub.2 =H or a substituent Y=a group which can be split off, in particular halogen and Z=a divalent organic radical, and wherein the group ##STR3## is bonded, directly or via a bridge member, to an aromatic ring C atom of D or K, and their use for dyeing and printing materials containing hydroxyl groups and N-containing materials, such as cotton, wool and the like.

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First Claim