Benzoxazolyl-phenyl-stilbenes

Details Benzoxazolyl-phenyl-stilbenes Benzoxazolyl-phenyl-stilbenes

1978-10-31

1980-06-03

Demers, Arthur P.

Compositions

Organic luminescent material containing compositions

Optical brightening compositions

542459, 8648, 427158, C07D26356

Patent

active

042060729

ABSTRACT:
Benzoxazolyl-phenyl-stilbenes of the formula ##STR1## in which X is a carboxylic acid group or an ester or amide thereof, a phenyl sulphonate group or a sulphonamide group, a cyano group or alkylsulphonyl and the ring A can be substituted by alkyl having 1 to 4 C atoms, phenyl, chlorine, alkoxy having 1 to 4 C atoms, phenoxy, cyano, alkylsulphonyl having 1 to 4 C atoms, phenylsulphonyl or alkoxycarbonyl having 2 to 6 C atoms, a process for their manufacture as well as their use for the optical brightening are disclosed.

REFERENCES:
patent: 3577411 (1971-05-01), Liechti et al.
patent: 3682900 (1972-08-01), Liechti et al.
patent: 3781278 (1973-12-01), Siegrist et al.
patent: 3996210 (1976-12-01), Fleck et al.
patent: 4014870 (1977-03-01), Meyer
patent: 4032558 (1977-06-01), Fleck et al.

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