Patent · US Expired

Monoazo compounds containing long-chain alkyl radicals

US4997920A · kind A · utility

4Cited by
13References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 11, 1989
Grant dateMar 5, 1991
Priority date
Expiry dateSep 11, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B29/338
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Compounds of the formulae I and II ##STR1## in which A is a radical of the formulae III, IV or V ##STR2## R.sub.1 and R.sub.4 are --H or --Cl, R.sub.2 and R.sub.5 are --H, halogen, --NO.sub.2, --CN, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 alkoxy, --CF.sub.3 or phenyloxy which is unsubstituted or substituted by one or two chlorine atoms and/or one or two methyl or methoxy groups, and R.sub.3 is alkyl having at least 10 C atoms, X is a radical of the formulae --NH--, --O--, ##STR3## n is the number 1 or 2, Y is the radical of the formulae --COO--, --OOC--, --CONH-- or --NHCO-- or a radical of the formulae ##STR4## in which R.sub.1 and R.sub.2 are as defined above, D is an aromatic heterocyclic 5- or 6-membered ring, in which the ring contains 1 or 2 N atoms and may additionally contain an O atom or S atom, Z is --H, --Br, --OCH.sub.3, --CN or --NO.sub.2 and X.sub.1 and X.sub.2, independently of one another, are --H, halogen, --CH.sub.3, --OCH.sub.3, --OC.sub.2 H.sub.5 or --NO.sub.2 and X.sub.3 is --H, --NHCO--C.sub.1 -C.sub.4 alkyl, benzoylamino or phenylcarboxamide which are each unsubstituted or substituted on the phenyl ring by one or two chlorine atoms and/or one or two methyl …

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.