Novel triarylmethane compounds

Details Novel triarylmethane compounds Novel triarylmethane compounds

1980-05-22

1981-08-04

Garvin, Patrick

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260390, 260395, 26032647, 260333, 568706, 568707, 568709, 568711, 546 94, 546 95, 546138, 546239, 430520, 430517, 430220, 430560, 544 59, 544169, C07C 1516, C07D45506, C07C 7922, C07C 7928, C09B 1112

Patent

active

042821606

ABSTRACT:
The present invention is concerned with novel compounds useful in photographic products and processes comprising 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 an alkyl group or a phenyl group, unsubstituted or substituted with a solubilizing group and Y is an electron-withdrawing group.

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patent: 4139381 (1979-02-01), Bloom et al.
patent: 4186001 (1980-01-01), Foley
patent: 4195180 (1980-03-01), Borror et al.

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