Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1995-09-20
1997-08-12
Shah, Mukund J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
544198, 544209, C07D25148, C07D25154, C07D40302
Patent
active
056567600
ABSTRACT:
The present invention provides a compound having the formula: ##STR1## in which M is hydrogen, sodium, potassium, calcium, magnesium, ammonium, mono-, di-, tri- or tetra-C.sub.1 -C.sub.4 alkylammonium, mono-, di- or tri-C.sub.1 -C.sub.4 hydroxyalkylammonium or ammonium that is di- or tri-substituted by a mixture of C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 hydroxyalkyl groups; R.sub.1 is a group having the formula: ##STR2## in which M has its previous significance and n is 1 or 2; and R.sub.2 is O--C.sub.1 -C.sub.12 alkyl or N(R.sub.3)(R.sub.4) in which R.sub.3 and R.sub.4, independently, are hydrogen, C.sub.1 -C.sub.12 alkyl or C.sub.1 -C.sub.4 hydroxyalkyl, or R.sub.3 and R.sub.4, together with the nitrogen atom, are the atoms required to form a pyrrolidine, piperidine or morpholine group.
The compounds of formula (1) are particularly useful as fluorescent whitening agents for cotton in discontinuous processes, in the course of which an acidic treatment, especially a finishing treatment using a polymer resin, occurs.
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Bacher Jean-Pierre
Eckhardt Claude
Reinehr Dieter
Ciba-Geigy Corporation
Mansfield Kevin T.
Rad Deepak R.
Shah Mukund J.
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