Azo dyestuffs

Details Azo dyestuffs Azo dyestuffs

C - Chemistry, Metallurgy

09

B

260/166, 260/162

C09B 29/00 (2006.01) C09B 26/02 (2006.01) C09B 29/42 (2006.01) C09B 44/08 (2006.01) C09B 44/10 (2006.01) C09B 45/00 (2006.01) C09B 62/008 (2006.01)

Patent

CA 1091654

ABSTRACT OF THE DISCLOSURE An azo dyestuff of the formula Image wherein the radicals Z1, Z2 and Z3 each denote groups of the form- ula -NR'R", which may be identical to, or different from, one another, wherein R' and R" each independently denote hydrogen, aryl, alkenyl, cycloalkyl, cycloalkenyl or alkyl which can option- ally be interrupted by one or more oxygen atoms and can be option- ally substituted by sulphonyl, cyclohexyl, carbonic acid amide, hydrozino, hydroxyl, carboxyl, carboalkoxy (with 2 to 10 carbon atoms), alkoxy (with 1 to 8 carbon atoms), phenoxy, pyrrolidonyl, acyloxy (with 1 to 10 carbon atoms), quaternized amino, dialkyl- amino, pyridyl or phenyl optionally substituted by halogen, alkyl, alkoxy, .beta.-hydroxyethyl, cyano, alkanoylamino (C1-C5), carboalkoxy, benzyl or phenethyl, or R' and R" together form a ring with the nitrogen atom to which they are attached, and Z3 may additionally denote a hydrogen atom, a chlorine or bromine atom or a C1 to C12 alkyl radical or phenyl and D is the radical of an aromatic or heterocyclic diazo component. The new dyestuffs dye synthetic fibers, such as polyester and acrylic fibers in fast yellow, and red shades.

241035

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