Tetrareactive disazo dyestuffs, their manufacture and their use

Details Tetrareactive disazo dyestuffs, their manufacture and their use Tetrareactive disazo dyestuffs, their manufacture and their use

C - Chemistry, Metallurgy

09

B

8/25, 260/162.2

C09B 33/12 (2006.01) C09B 62/04 (2006.01) D06P 1/06 (2006.01)

Patent

CA 1052777

Abstract of the Disclosure Tetrareactive disazo dyestuffs of the formula Image (1) wherein D represents a benzene radical containing at least one sulpho group; K represents a radical of l-amino (or aminobenzoylamino)-8-naphthol-3,6-disulphonic acid, of l-amino(or aminobenzoylamino)-8-naphthol-4,6-disulphonic acid, of 2-amino(or aminobenzoylamino)-5-naphthol-7- sulphonic acid, of 2-amino(or aminobenzoylamino)-8-naphthol- 6-sulphonic acid, of 2-amino(or aminobenzoylamino)-5- naphthol-1,7-disulphonic acid, or of 2-amino(or amino- benzoylamino)-8-naphthol-3,6-disulphonic acid; B represents an aliphatic or aromatic radical; R1, R2 and R3 each independently represent hydrogen or alkyl having 1 to 6 carbon atoms; X represents chlorine, bromine or fluorine; and Y represents hydrogen, low-molecular alkyl or alkoxy, acetylamino, halogen, carboxy or sulpho.

243439

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