Bis(dibenzoxazoyl)thiophene fluorescent brighteners

Details Bis(dibenzoxazoyl)thiophene fluorescent brighteners Bis(dibenzoxazoyl)thiophene fluorescent brighteners

1989-09-12

1991-12-10

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548113, 8648, 430 77, 430270, 106493, 106904, C07D26362

Patent

active

050719939

ABSTRACT:
Compounds of the formula ##STR1## in which R.sup.1 and R.sup.3 independently of one another are C.sub.1 -C.sub.8 alkyl, cyclopentyl, cyclohexyl, C.sub.7 -C.sub.9 aralkyl, phenyl or a group of the formula

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Derwent Abstract No. 88-128570/19.

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