Cationic compounds

A cationic compound of the formula ##STR66## wherein Z groups independently of one another are each a radical of the formula ##STR67## B is identical to Z or is a cationic radical different from Z selected from the group of ##STR68## wherein the radicals R and R.sub.1 are as defined below and p is 2 or 3;

• R groups independently of one another are each (1) hydrogen, (2) unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl wherein the substituent is C.sub.1 -C.sub.4 -alkoxy, CN, halogen, phenyl, CONH.sub.2, CONHC.sub.1 -C.sub.4 -alkyl or CON(C.sub.1 -C.sub.4 -alkyl).sub.2, (3) unsubstituted or substituted C.sub.1 -C.sub.4 -alkoxy wherein the substituent is phenyl, (4) NO.sub.2, (5) unsubstituted or substituted benzoylamino or acetylamino wherein the substituent is halogen, NH.sub.2, NHC.sub.1 -C.sub.4 -alkyl or N(C.sub.1 -C.sub.4 -alkyl).sub.2, (6) halogen or (7) CN;
• R.sub.1 groups independently of one another are each (1) unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl wherein the substituent is C.sub.1 -C.sub.4 -alkoxy, CN, halogen, phenyl, C.sub.1 -C.sub.4 -alkyl substituted phenyl, halophenyl or CONH.sub.2 or (2) C.sub.3 -C.sub.4 -alkenyl;
• X is a sulfur atom or the group ##STR69## wherein R.sub.1 is as defined above or in which both R.sub.1 radicals can be linked with each other to form a carbocyclic 5- or 6-membered ring;
• A is the direct bond, --NH-alkylene (C.sub.1 -C.sub.4), --O-alkylene (C.sub.1 -C.sub.4), alkylene (C.sub.1 -C.sub.4), phenylene, --O-phenylene or --NH-phenylene;
• Y is --NH--, --NR.sub.1 --, --O-- or --S--;
• and
• An is an anion.