Claims
- 1. A styryl dye devoid of acid, water-solubilizing groups, of the formula ##STR59## wherein two radicals Z are --NR'R" and one Z is --NR'R", --OR"' or SR"' in which R', R" and R" are hydrogen, phenyl phenyl substituted by chlorine, bromine, lower alkyl of 1 to 5 carbon atoms, lower alkoxy of 1 to 2 carbon atoms, hydroxyethyl or carbolower alkoxy of 1 to 5 carbon atoms, benzyl, phenethyl, cyclohexyl, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkyl interrupted by an oxygen atom, or C.sub.1 -C.sub.8 -alkyl substituted by hydroxy, carboxyl, carbo-C.sub.1 -C.sub.5 -alkoxy, alkoxy, phenoxy, C.sub.1 -C.sub.18 -fatty acid acyloxy, benzoyloxy, C.sub.1 -C.sub.18 -alkylcarbamoyloxy, C.sub.1 -C.sub.18 -alkyloxycarbonyloxy, phenylcarbamoyloxy, phenyloxycarbonyloxy, phenoxyacetoxy, chloroacetoxy, or phenylacetoxy, Z.sub.3 is also lower alkyl of 1 to 5 carbon atoms or phenyl, Y is -CN and X is NC-.
- 2. A styryl dyestuff according to claim 1, of the formula ##STR60## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 each are hydrogen, phenyl, phenyl substituted by chlorine, bromine, lower alkyl of 1 to 5 carbon atoms, lower alkoxy of 1 to 2 carbon atoms, hydroxyethyl or carbo-lower alkoxy of 1 to 5 carbon atoms, benzyl, phenethyl, cyclohexyl, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkyl interrupted by an oxygen atom, or C.sub.1 -C.sub.8 -alkyl substituted by hydroxy, carbonyl, carbo-C.sub.1 -C.sub.5 -alkoxy, alkoxy, phenoxy, C.sub.1 -C.sub.18 -fatty acid acyloxy, benzoyloxy, C.sub.1 -C.sub.18 -alkylcarbamoyloxy, C.sub.1 -C.sub.18 -alkyloxycarbonyloxy, phenylcarbanoyloxy, phenyloxycarbonylosy, phenoxyacetoxy, chloroacetoxy or phenylacetoxy, and Z', X and Y have the same meanings as in claim 1.
- 3. A styryl dyestuff according to claim 1, wherein X is cyano.
- 4. A styryl dyestuff according to claim 1, wherein Z.sub.2 is methyl.
- 5. A styryl dyestuff according to claim 2, wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are hydrogen or alkyl, the alkyl groups containing together at least 2 carbon atoms.
- 6. A styryl dyestuff according to claim 2, wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are hydrogen or alkyl, the alkyl groups containing together at least 4 carbon atoms.
- 7. A styryl dye according to claim 1 of the formula ##STR61## wherein X, Y, R.sub.1 R.sub.2, R' and R", have the same meanings as in claim 1 and Z.sub.3 is alkyl of 1 to 5 carbon atoms or phenyl.
- 8. A styryl dyestuff according to claim 7, wherein Y is CN and Z.sub.3 is methyl.
- 9. A styryl dyestuff according to claim 8 of the formula ##STR62##
- 10. A styryl dyestuff according to claim 8 of the formula ##STR63##
- 11. A styryl dyestuff according to claim 8 of the formula ##STR64##
- 12. A styryl dyestuff according to claim 8 of the formula ##STR65##
Priority Claims (1)
Number |
Date |
Country |
Kind |
5069/74 |
Apr 1974 |
CHX |
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Parent Case Info
This is a continuation of application Serial No. 566,498, filed on Apr. 9, 1975, now abandoned.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4033943 |
Ramanathan et al. |
Jul 1977 |
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Continuations (1)
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Number |
Date |
Country |
Parent |
566498 |
Apr 1975 |
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