Styryl dyestuffs containing certain amino, cyanopyridine moietie

Details Styryl dyestuffs containing certain amino, cyanopyridine moietie Styryl dyestuffs containing certain amino, cyanopyridine moietie

1976-11-18

1978-09-26

Rotman, Alan L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

544121, 544360, 544365, 260268H, 26029369, 2602948R, 2602948F, 2602948G, 8 1D, 542427, 542438, 542405, 544 82, C07D21357

Patent

active

041169654

ABSTRACT:
A styryl dye devoid of acid, water-solubilizing groups, of the formula ##STR1## wherein two radicals Z represent groups of the formula --NR'R" and one Z represents a group of the formulae --NR'R", --OR'" or --S--R'", in which each of R', R" and R'" represents hydrogen unsubstituted phenyl, substituted phenyl, benzyl, phenylethyl, cyclohexyl, or an aliphatic radical containing up to 8 carbon atoms and R' and R'" are able to form a ring containing the amino nitrogen and the radicals --NR'R" may be the same or different, Y represents a radical of the formula --CN or --CONH.sub.2, and W represents the radical of an organic compound, which contains an active methylene group and which is bonded to the --CH.dbd. group through the carbon atom of the active methylene group, and Z.sub.3 is furthermore an unsubstituted or a substituted hydrocarbon radical containing up to 8 carbon atoms.

REFERENCES:
patent: 4033943 (1977-07-01), Ramanathan et al.

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