Claims
- 1. A basic azo dyestuff of the formula ##EQU7## in which A is unsubstituted or substituted phenylene, biphenylene or naphthylene which, when substituted, is substituted by one or more of halogen, alkyl, or alkoxy, or is mono-substituted by nitro, sulphonamide, phenyl, phenoxy, phenylazo, halogen alkyl, alkylsulphonyl, N-alkyl sulphonamide or carbalkoxy where in each case the alkyl radical contains at most 4 carbon atoms,
- Z is a direct bond, --O--, --S--, --NR'--, --CO--, --OCO--, --NR'CO--, --NR'SO.sub.2 --, --SO.sub.2 --, ##EQU8## --COOC.sub.2 H.sub.4 --O-- ##SPC16##
- where
- R' is hydrogen or lower alkyl,
- Y is C.sub.1 -C.sub.6 alkylene, C.sub.1 -C.sub.6 alkylene interrupted by --S--, --O--, or --NH--, or with N, R.sub.1 and R.sub.3 or with N and R.sub.3 forms benztriazolyl, benzimidazolyl, triazolyl or pyridyl,
- R.sub.1 and R.sub.2 each is hydrogen, alkyl of 1 to 4 carbon atoms, phenyl, benzyl or cyclohexyl,
- R.sub.3 is hydrogen, alkyl of 1 to 4 carbon atoms, benzyl, cyclohexyl, alkoxy of 1 to 4 carbon atoms or amino,
- or where one or more of R.sub.1, R.sub.2 and R.sub.3 together with N forms pyridyl, piperidyl, quinolyl, morpholinyl, pyrrolidyl or cyclohexylamine,
- X.sup.- is an anion and
- n is 1 or 2.
- 2. A basic azo dyestuff, according to claim 1, wherein
- A represents phenylene or substituted phenylene,
- Y represents C.sub.1 -C.sub.6 alkylene, and
- Z is --CO--.
- 3. A basic azo dyestuff according to claim 1 of the formula ##SPC17##
- in which
- V is nitro, alkylsulphonyl, sulphonamide or N-alkylsulphonamide, where, in each case, the alkyl radical contains at most 4 carbon atoms,
- W is --O--, --S--, a direct bond, ##SPC18##
- --SO.sub.2 --, --SO.sub.2 NR.sub.4 --, --COO--, or --NHCO-- where R.sub.4 is hydrogen or lower alkyl.
- 4. A basic azo dyestuff according to claim 1 in which
- Y is methylene or ethylene,
- and R.sub.1 and R.sub.2 each is methyl, ethyl, phenyl or hydrogen.
- 5. A basic azo dyestuff according to claim 1 in which R.sub.1, R.sub.2 and R.sub.3 is each methyl or ethyl or where one or more of R.sub.1, R.sub.2 and R.sub.3 with N forms pyridyl, piperidyl, quinolyl, morpholinyl, pyrrolidyl or cyclohexylamine.
- 6. A basic azo dyestuff according to claim 1 in which X is Cl.sup.-, Br.sup.-, I.sup.-, SO.sub.4 =, alkyl--SO.sub.3 -- where the alkyl group contains 1 to 7 carbon atoms, phenyl--SO.sub.3 -- or C.sub.1 -C.sub.2 alkyl--SO.sub.4 --.
- 7. A basic azo dyestuff as claimed in claim 1, wherein Z represents --O--, --S--, --NR'--, --CO--, --OCO--, --NR'CO-- or --NR'SO.sub.2 --, wherein R' denotes hydrogen or lower alkyl.
- 8. Basic azo dyestuffs as claimed in claim 1 of the formula ##SPC19##
- in which W.sub.1 denotes a direct bond or a --SO.sub.2 --, --SO.sub.2 NR.sub.4 --, --CONR.sub.4 -- or --COO-- bridge and R.sub.1, R.sub.2, R.sub.3, R.sub.4, X, Y and n have the above mentioned significance.
- 9. The dyestuff of claim 1 of the formula ##SPC20##
- 10. The dyestuff of claim 1 of the formula ##SPC21##
- 11. The dyestuff of claim 1 of the formula ##SPC22##
- 12. The dyestuff of claim 1 of the formula ##SPC23##
- 13. The dyestuff of claim 1 of the formula ##SPC24##
- 14. The dyestuff of claim 1 of the formula ##SPC25##
- 15. The dyestuff of claim 1 of the formula ##SPC26##
- 16. A basic azo dyestuff of the formula ##EQU9## wherein A.sub.1 is pyridyl, pyrazolyl, imidazolyl, triazolyl, tetrazolyl, oxazolyl, thiazolyl, selenazolyl, oxadiazolyl, thiadiazolyl, pyrimidyl, triazinyl, quinolinyl, indazolyl, benzimidazolyl, naphthimidazolyl, benzoxazolyl, naphthoxazolyl, benzthiazolyl, naphthothiazolyl or benzoselenazolyl, benzimidazolyl substituted by chloro, 3-methylpyrazolyl bound to the azo group in 5-position or thiazolyl, thiadiazolyl or benzthiazolyl substituted by lower alkyl and wherein W denotes a direct bond, --SO.sub.2 --NH--, --COO--, --NHCO--, --S--, --O--, or phenylene,
- Y is C.sub.1 -C.sub.6 alkylene, C.sub.1 -C.sub.6 alkylene interrupted by --S--, --O--, or --NH--, or with N, R.sub.1 and R.sub.3 or with N and R.sub.3 forms benztriazolyl, benzimidazolyl, triazolyl or pyridyl,
- R.sub.1 and R.sub.2 each is hydrogen, alkyl of 1 to 4 carbon atoms, phenyl, benzyl or cyclohexyl,
- R.sub.3 is hydrogen, alkyl of 1 to 4 carbon atoms, benzyl, cyclohexyl, alkoxy of 1 to 4 carbon atoms or amino
- or where one or more of R.sub.1, R.sub.2 and R.sub.3 together with N forms pyridyl, piperidyl, quinolyl, morpholinyl, pyrrolidyl or cyclohexylamine,
- X.sup.- is an anion and
- n is 1 or 2.
- 17. The dyestuff of claim 15 of the formula ##SPC27##
- 18. The dyestuff of claim 16 of the formula ##SPC28##
- 19. The dyestuff of claim 16 of the formula ##EQU10##
Parent Case Info
This is a continuation of application Ser. No. 110,240, filed on Jan. 27, 1971, which in turn is a continuation of application Ser. No. 827,960 filed May 26, 1969, now abandoned.
US Referenced Citations (11)
Foreign Referenced Citations (4)
Number |
Date |
Country |
1,901,712 |
Sep 1969 |
DT |
2,002,022 |
Jul 1971 |
DT |
1,927,213 |
Dec 1969 |
DT |
6,918,341 |
Jun 1970 |
NL |
Continuations (2)
|
Number |
Date |
Country |
Parent |
110240 |
Jan 1971 |
|
Parent |
827960 |
May 1969 |
|