Quaternized 1-(pyrazolinylphenylsulphonyl)-piperazines

Details Quaternized 1-(pyrazolinylphenylsulphonyl)-piperazines Quaternized 1-(pyrazolinylphenylsulphonyl)-piperazines

1977-12-05

1979-04-24

Tovar, Jose

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

427158, C07D24150

Patent

active

041511638

ABSTRACT:
(Pyrazolinylphenylsulfonyl)-piperazines of the formula ##STR1## wherein R.sub.1 is unsubstituted or substituted alkyl, aralkyl or alkenyl, R.sub.2 is unsubstituted or substituted alkyl, aryl or aralkyl R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are certain substituents and Y is an anion, their preparation as well as their use as optical brighteners are disclosed.

REFERENCES:
patent: 3598810 (1971-08-01), Troxler et al.
patent: 3849406 (1974-11-01), Aebli et al.

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