Cassella Farbwerke Mainkur Aktiengesellschaft

Erwin Eleckenstein

Ernst Heinrich

Reinhard Mohr

Compounds of the formula ##SPC1## Wherein X is aliphatic, cycloaliphatic, aromatic, aralkyl, hetaryl, hetarylalkyl or hydrogen; Y is aliphatic, aromatic, aralkyl, --COOR.sub.2, --COR.sub.2, ##EQU1## --CN, --NH.sub.2, --NO, --NO.sub.2 or hydrogen with the proviso that when Y is hydrogen, X is other than hydrogen; Z.sub.1 is cyano, ##EQU2## --OR.sub.12, --SR.sub.12 or --SO.sub.2 R.sub.12 and Z.sub.2 is chlorine, bromine, cyano, hydroxy, mercapto, ##EQU3## R.sub.1 is aliphatic; R.sub.2 is aliphatic, cycloaliphatic, aromatic, aralkyl or heterocyclic; R.sub.3 and R.sub.4 when taken separately are hydrogen, aliphatic, cycloaliphatic, aromatic or aralkyl; R.sub.3 and R.sub.4 when taken together with the nitrogen atom to which they are attached form a heterocyclic moiety; R.sub.5 and R.sub.6 when taken separately are aliphatic, aromatic, aralkyl, heterocyclic or hydrogen; R.sub.5 and R.sub.6 when taken together with the nitrogen atom to which they are attached are heterocyclic; R.sub.7 is hydrogen; aliphatic or aromatic; R.sub.8 and R.sub.9 are aliphatic or aromatic, R.sub.10 is hydrogen, aliphatic or aralkyl, R.sub.11 is aliphatc and R.sub.12 is aliphatic, aromatic or aralkyl; R.sub.10 and R.sub.11 when taken together with the nitrogen atom to which they are attached are heterocyclic.

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Hofheim, Taunus, Germany

Erwin Eleckenstein