Styryl and butadienyl sulfa dye and process of producing the dye

Details Styryl and butadienyl sulfa dye and process of producing the dye Styryl and butadienyl sulfa dye and process of producing the dye

1974-09-27

1976-12-07

Curtis, Allen B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260240D, C07D20904, C07D21700, C07D26312

Patent

active

039962156

ABSTRACT:
A styryl and butadienyl dye suitable as a filter dye or antihalation dye for photography having the formula ##STR1## wherein R represents a lower alkyl group, an unsubstituted or substituted sulfo lower alkyl group, an unsubstituted or substituted sulfo lower alkenyl group, or a carboxy lower alkyl group; A represents an atom necessary for forming a 5-membered or 6-membered heterocyclic ring; Z represents a hydrogen atom, a methyl group, or a phenyl group; B represents a hydrogen atom, a lower alkyl group, a hydroxyl group, an alkoxy group, a halogen atom, a nitro group, a carboxyl group, an unsubstituted or substituted acylamino group, an alkoxycarbonylamino group, an alkylsulfonylamino group, or an alkylthio group; R.sub.1 represents --OR.sub.2 or ##STR2## R.sub.2 represents an unsubstituted or substituted sulfo lower alkyl group; R.sub.3 and R.sub.4, which may be the same or different, each represents a hydrogen atom, an unsubstituted or substituted alkyl group, an unsubstituted or substituted aralkyl group, an unsubstituted or substituted aryl group, an arylsulfonyl group, or an acetyl group; at least one of R.sub.3 and R.sub.4 containing at least one sulfo group; X represents an acid anion; and n and p each represents 0 or 1.

REFERENCES:
patent: 2688540 (1954-09-01), Ganguin et al.
patent: 3257393 (1966-06-01), Vinton
patent: 3379723 (1968-04-01), Clarke
patent: 3544325 (1970-12-01), Depoorter et al.
patent: 3652283 (1972-03-01), Mackey
patent: 3687670 (1972-08-01), Rillaers et al.
patent: 3855209 (1974-12-01), Hoyle, Jr.

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