Rhodamine dyes

Details Rhodamine dyes Rhodamine dyes

1985-07-11

1987-03-03

Chan, Nicky

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548525, 546196, 546187, 544375, 544372, 544360, 544150, 544141, 544130, 544121, 544111, 8565, 8567, 8568, 8574, 8578, 8579, C07D31182

Patent

active

046476750

ABSTRACT:
Novel compounds of the general formula I ##STR1## where A.sup..crclbar. is an anion, R is hydrogen or unsubstituted or substituted alkyl or cycloalkyl, R.sup.1 and R.sup.2 independently of one another are each hydrogen or unsubstituted or substituted alkyl or cycloalkyl, or one of the radicals may furthermore be aryl, or R.sup.1 and R.sup.2, together with the nitrogen atom, form a saturated heterocyclic structure, the radicals R.sup.3 independently of one another are each hydrogen or C.sub.1 -C.sub.4 -alkyl, R.sup.4 and R.sup.5 independently of one another are each unsubstituted or substituted alkyl or cycloalkyl, or one of the radicals may furthermore be hydrogen, aryl or hetaryl, R.sup.4 and R.sup.5, together with the nitrogen atom, form a saturated heterocyclic structure, n is 1, 2 or 3, X is hydrogen, chlorine, bromine, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or nitro and Y is hydrogen or chlorine, are particularly useful for dyeing paper stocks.

REFERENCES:
patent: 3367946 (1968-02-01), Stryker
patent: 3708499 (1973-01-01), Andree
patent: 3767358 (1973-10-01), Stryker
patent: 3849065 (1974-11-01), Schmeidl
patent: 4290955 (1981-09-01), Cincotta et al.

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