Compounds including carboxystyrylphenyl group

Details Compounds including carboxystyrylphenyl group Compounds including carboxystyrylphenyl group

1973-11-19

1976-08-10

Curtis, Allen B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D30778, C07D33352, C07D40506, C07D40906

Patent

active

039741443

ABSTRACT:
Benzofurans, benzothiophenes, and naphthofurans which are substituted by carboxystyrylphenyl groups and their corresponding esters and amides are optical brightening agents useful for whitening and brightening natural and synthetic fibers, papers, resins and the like. The compounds are conveniently prepared by interacting benzofurans, benzothiophenes or naphthofurans, which are substituted by a p-tolyl group, with an aromatic aldehyde or preferably the anil derivative thereof.

REFERENCES:
Bloom et al. (Defensive Publication) Apr. 1969 Ser. No. 778,781 filed Nov. 25, 1968. in

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