Claims
- 1. A compound of the formula
- wherein
- X is (a) amino; (b) primary and secondary alkyl amino of 1 to 8 carbon atoms, the alkyl portions of which may be substituted by hydroxyl, alkoxy, hydroxyalkoxy, or .beta.-hydroxyethylamino; (c) phenylamino in which the phenyl radical may be mono- or disubstituted by lower alkyl, lower alkoxy, halo, cyano, aminocarbonyl, alkoxycarbonyl, carboxyl, or sulphonic acid; (d) pyrrolidino, (e) piperidino; (f) hexamethyleneimino; (g) morpholino; or (h) a radical Y,
- Y is a radical of the formula ##STR28## Z is --CN or ##STR29## R.sub.2 is hydrogen or alkyl, R.sub.3 is hydrogen; alkyl; hydroxyalkyl; alkoxyalkyl; hydroxyalkoxyalkyl; cyclohexyl; alkylcyclohexyl; alkylaminoalkyl which may be substituted by hydroxyl or alkoxy groups; phenalkyl; phenoxyalkyl; phenyl which may be substituted by alkyl, alkoxy or by halogen; or a radical of formula ##STR30## R.sub.5 and R.sub.6, independently of each other, are hydrogen, alkyl, or hydroxyalkyl, or R.sub.5 and R.sub.6 together with the nitrogen atom form a piperidino or morpholino radical,
- Me is hydrogen, an alkali metal or an alkaline-earth metal, an ammonium group or aluminum,
- n is 1 or 2,
- any alkyl or alkoxy group contains 1 to 5 carbon atoms unless otherwise specified and the SO.sub.3 Me groups on the ring A are in the 3,5-, 2,4- or 2,5-positions.
- 2. A compound according to claim 1 of the formula ##STR31## wherein X.sub.1 stands for --NH.sub.2, a phenylamino group which may be substituted by methyl, methoxy, chlorine, cyano or --SO.sub.3 Me, or a radical ##STR32## Z.sub.1 for --CN or ##STR33## and R.sub.7 for hydrogen, a lower alkyl, hydroxyalkyl or alkoxyalkyl radical, an alkylaminoalkyl radical which may be substituted by hydroxyl or alkoxy groups, or a radical - --CH.sub.2 --CH.sub.2 --Z.sub.1.
- 3. A compound according to claim 2 of the formula ##STR34## wherein Z.sub.2 stands for --CN or --CO--NH.sub.2
- and
- X.sub.2 for --NH.sub.2, phenylamino, 2,5-disulphophenylamino or ##STR35##
- 4. The bis-(triazinylamino)-stilbenesulphonic acid according to claim 3 of the formula ##STR36##
- 5. The bis-(triazinylamino)-stilbenesulphonic acid according to claim 3 of the formula ##STR37##
- 6. The bis-(triazinylamino)-stilbenesulphonic acid according to claim 2 of the formula ##STR38##
- 7. The bis-(triazinylamino)-stilbenesulphonic acid according to claim 1 of the formula ##STR39##
- 8. The bis-(triazinylamino)-stilbenesulphonic acid according to claim 3 of the formula ##STR40##
- 9. The bis-(triazinylamino)-stilbenesulphonic acid according to claim 3 of the formula ##STR41##
- 10. The bis-(triazinylamino)-stilbenesulphonic acid according to claim 3 of the formula ##STR42##
- 11. A compound according to claim 2 of the formula ##STR43##
- 12. A method of treating paper with optical brighteners which comprises incorporating the compound defined in claim 11 into the coating composition for the surface treatment of paper and applying said coating composition to the paper.
- 13. Paper containing a compound as defined in claim 11.
- 14. A compound according to claim 1 of the formula ##STR44##
Priority Claims (2)
Number |
Date |
Country |
Kind |
13721/70 |
Sep 1970 |
CHX |
|
17875/70 |
Dec 1970 |
CHX |
|
Parent Case Info
This is a continuation of application Ser. No. 411,484, filed Oct. 31, 1973, which in turn is a continuation of application Ser. No. 175,761, filed Aug. 27, 1971 both now abandoned.
US Referenced Citations (3)
Foreign Referenced Citations (1)
Number |
Date |
Country |
1008457 |
Oct 1965 |
GBX |
Non-Patent Literature Citations (1)
Entry |
Derwent Belgian Patents Report No. 6/69, Gp. 2, p. 2 (1969). |
Continuations (2)
|
Number |
Date |
Country |
Parent |
411484 |
Oct 1973 |
|
Parent |
175761 |
Aug 1971 |
|