Novel triarylmethane compounds

Details Novel triarylmethane compounds Novel triarylmethane compounds

1979-12-26

1981-07-07

Shaver, Paul F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260389, 260395, 260338, 260386, 544 3, 544162, 544170, 544171, 544229, 544237, 544239, 544192, 260388, C09B 1110

Patent

active

042774071

ABSTRACT:
The present invention is concerned with novel triarylmethane dyes possessing in their triaryl structure a 4'-oxo-1'-naphthylidene (or a 4'-oxo-1'-phenylidene) moiety and a phenyl moiety substituted in the ortho-position to the central carbon atom with the group ##STR1## wherein R is hydrogen; alkyl, unsubstituted or substituted with halo, alkoxy, carboxy-substituted alkoxy, phenoxy or phenyl; or phenyl, unsubstituted or substituted with halo, alkoxy, nitro, dimethylamino or alkyl, which compounds find utility in photographic products and processes.

REFERENCES:
patent: 3406069 (1968-10-01), Overman
patent: 3624131 (1971-11-01), Becker
patent: 4080371 (1978-03-01), Tresper et al.

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