Pyridone colorants
AssigneeBASF SE
InventorsKarl-Heinz Etzbach, Rudiger Sens
Life of this patent
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Abstract
Pyridone dyes useful for thermal transfer and for dyeing or printing synthetic materials have the formula ##STR1## where X is CH or nitrogen, R.sup.1 is substituted or unsubstituted C.sub.1 -C.sub.20 -alkyl or substituted or unsubstituted phenyl, R.sup.2 is a carbocyclic or heterocyclic radical, R.sup.3 is hydrogen or C.sub.1 -C.sub.4 -alkyl, R.sup.4 is hydrogen or C.sub.1 -C.sub.4 -alkyl, R.sup.5 is substituted or unsubstituted C.sub.1 -C.sub.8 -alkyl or substituted or unsubstituted phenyl, and R.sup.6 is cyano, carbamoyl, carboxyl, C.sub.1 -C.sub.4 -alkoxycarbonyl or C.sub.1 -C.sub.4 -alkanoyl.
Claims5
Pyridone dyes of formula (I):
- ##STR15## wherein:
- X is CH;
- R.sup.1 is C.sub.1 -C.sub.20 -alkyl with or without substitution and with or without interruption by from 1 to 4 oxygen atoms in ether function or is substituted or unsubstituted phenyl;
- R.sup.2 is a thiazole of formula (IIi) as follows:
- ##STR16## wherein Z.sup.3 and Z.sup.4 independently of each other are hydrogen, C.sub.1 -C.sub.8 -alkyl with or without substitution and with or without interruption by 1 or 2 oxygen atoms in ether function, C.sub.3 -C.sub.4 -alkenyl, and
- Z.sup.6 is hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, substituted or unsubstituted phenyl, substituted or unsubstituted benzyl, cyclohexyl, thienyl, hydroxyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio or mono(C.sub.1 -C.sub.8 -alkyl)amino;
- R.sup.3 is hydrogen or C.sub.1 -C.sub.4 -alkyl;
- R.sup.4 is hydrogen or C.sub.1 -C.sub.4 -alkyl;
- R.sup.5 is C.sub.1 -C.sub.8 -alkyl with or without interruption by 1 or 2 oxygen atoms in ether function and with or without phenyl or hydroxyl substitution, or is substituted or unsubstituted phenyl;
- and
- R.sup.6 is cyano, carbamoyl, carboxyl, C.sub.1 -C.sub.4 -alkoxycarbonyl or C.sub.1 -C.sub.4 -alkanoyl.
Dependencies are inferred from the claim text.