Dibenzofuranylbiphenyls

Details Dibenzofuranylbiphenyls Dibenzofuranylbiphenyls

1994-04-01

1995-07-18

Dentz, Bernard

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30780, C07D30782

Patent

active

054342759

ABSTRACT:
Novel dibenzofuranylbiphenyl compounds of the formula (I) ##STR1## which are unsubstituted or are monosubstituted or polysubstituted by radicals R=hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen, phenoxy and benzyloxy and in which R.sub.3 is C.sub.1 -C.sub.4 alkyl, halogen or phenyl and M is hydrogen and/or one equivalent of a non-chromophoric cation and the preparation and use thereof for fluorescent whitening are described.

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