Dyes of the coumarin series

Details Dyes of the coumarin series Dyes of the coumarin series

1976-06-07

1977-10-25

Gallagher, Richard J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

544134, 544198, 544209, 26029358, 2602948C, 2603068D, 26034343, 260455A, 26034345, C07D41900

Patent

active

040555682

ABSTRACT:
Dyes of the formula: ##STR1## in which Z is unsubstituted or substituted alkyl, alkenyl, cycloalkyl, aralkyl, aryl or heteroaryl or a radical of the formula ##STR2## Z.sup.1, Z.sup.2, Z.sup.3 and Z.sup.4 are hydrogen or unsubstituted or substituted alkyl, cycloalkyl, aralkyl or aryl;

REFERENCES:
patent: 3539583 (1970-11-01), Voltz et al.

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