Patent number: 4863634
Abstract: Dyestuffs of the formula ##STR1## in which X designates OR.sub.2 or a group NHR.sub.2,Y designates H or a group NHR.sub.2 or OR.sub.2,Y' designates H or NHR.sub.1,R.sub.1 and R.sub.2 designate H, alkyl, cycloalkyl, aryl or aralkyl and if Y or Y' represents H,Q designates aryl, a thienyl radical or a group --OR.sub.2, --NHR.sub.3, --SO.sub.2 R.sub.3, --S--CO--R.sub.3, --CO--SR.sub.3, --SR.sub.3, --CH.dbd.NR.sub.3, --COOR.sub.3, --OCOR.sub.3, --OCOOR.sub.3, --NHCO--OR.sub.3, --O--SO.sub.2 --R.sub.3, --NH--CO--NHR.sub.3, --O--CO--NHR.sub.3, --CHO, --O--CH.sub.2 CH.sub.2 --OR.sub.3 or --SO.sub.3 R.sub.3,M designates H, halogen or Q,R.sub.3 designates alkyl, aralkyl, cycloalkyl or a heterocyclic radical or a radical Z of the formula ##STR2## wherein R.sub.4 and R.sub.8 denote H, halogen, CF.sub.3, alkyl or alkoxy andR.sub.5 and R.sub.6 denote R.sub.4, --SR.sub.3, --NO.sub.2, --OR.sub.3, --CO.sub.2 R.sub.3, --COR.sub.3, --SCOR.sub.3, --SO.sub.3 R.sub.3, --NHCONHR.sub.3, --OCONHR.sub.3, --OSO.sub.2 R.sub.
Type:
Grant
Filed:
June 1, 1984
Date of Patent:
September 5, 1989
Assignee:
Bayer Aktiengesellschaft
Inventors:
Uwe Claussen, Rutger Neeff, Friedrich W. Krock