Claims
- 1. Methine dyestuff of the formula ##SPC37##
- in which
- R.sub.1 and R.sub.2 are C.sub.1 --C.sub.4 -alkyl;
- R.sub.3 is hydrogen, a non-ionic substituent, carboxyl, or together with the ring, to which it is attached, a benzene ring;
- n is 1, 2, 3 or 4;
- R.sub.4 and R.sub.5 are hydrogen or a non-ionic substituent;
- X.sup.(.sup.-) is an anion;
- said non-ionic substituents selected from the group consisting of C.sub.1 --C.sub.9 alkyl, chloromethyl, C.sub.1 --C.sub.12 -alkoxymethyl, phenoxymethyl, p-nitrophenoxymethyl, p-methoxyphenoxy, p-chlorophenoxymethyl, allyloxymethyl, propargyloxymethyl, hydroxymethyl, di-C.sub.1 --C.sub.4 -alkylaminomethyl, diallylaminomethyl, pyrrolidinomethyl, phthalimidomethyl, allyl, trifluoromethyl, phenyl, benzyl, cyclohexyl, C.sub.1 --C.sub.4 -alkoxy, sulfamoyl, CN, carbomethoxy, carboethoxy, fluorine, chlorine, methylmercapto, methylsulfonyl and acetylamino;
- B.sub.1 is CH -- Ar.sub.1 or ##EQU8## Z together with C and N to which it is attached, forms an indolinyl-2-ring;
- Ar.sub.1 is a radical of the p-amino-benzene, naphthalene; benzofurane, benzothiophene, indole, indoline, 1,2,3,4-tetrahydroquinoline, carbazole, quinoxaline, dihydro-[benzo-1,4-oxazine], dihydro-[benzo-1,4-thiazine], 9, 10-dihydro-phenazine, phenoxazine or phenthiazine series;
- R.sub.6 is methyl, ethyl or benzyl.
- 2. Methine dyestuff of claim 1 wherein ##SPC38##
- or ##SPC39##
- R.sub.7 and R.sub.8 are independently of one another hydrogen; C.sub.1 --C.sub.4 -alkyl; ethyl substituted by chlorine, cyano, or dimethylamino; cyclohexyl; phenyl; phenyl substituted by methyl; ethyl, methoxy, ethoxy or chlorine; benzyl; or R.sub.7, R.sub.8 together with N atom form a morpholino or piperidino radical;
- R.sub.9 is hydrogen or methyl; or
- R.sub.9 which is bonded to the o-position of N, together with R.sub.7 and the phenylring forms a carbazol or tetrahydrocarbazol ring system;
- R.sub.10 is hydrogen; methyl; phenyl; or phenyl substituted by chlorine or methyl;
- R.sub.11 is hydrogen; methyl or ethyl;
- R.sub.12 is hydrogen; methyl; ethyl; methoxy; chlorine or nitro;
- m is 1 or 2;
- R.sub.13 is methyl, ethyl, or n-propyl;
- R.sub.14 is methyl, ethyl, or n-propyl;
- R.sub.15 is hydrogen; C.sub.1 --C.sub.4 -alkyl; fluorine; chlorine; trifluoromethyl; cyclohexyl; benzyl; methoxy; ethoxy; methylmercapto; ethylmercapto; methylsulfonyl; phenoxy; methoxycarbonyl; ethoxycarbonyl; sulphamoyl; nitro; amino; acetamino; carboxyl; cyano, or together with the ring to which it is attached, forms a benzene ring.
- 3. Methine dyestuff of claim 1 in which
- B.sub.1 is CH -- Ar.sub.1.
- 4. Methine dyestuff of claim 1 in which
- B.sub.1 is ##EQU9##
- 5. Methine dyestuff of claim 1 having the formula ##SPC40##
- 6. Methine dyestuff of claim 1 having the formula ##SPC41##
- 7. Methine dyestuff of claim 1 having the formula ##SPC42##
Priority Claims (1)
Number |
Date |
Country |
Kind |
2060614 |
Dec 1970 |
DT |
|
Parent Case Info
This is a division of application Ser. No. 206,537 filed in the United States, now U.S. Pat. No. 3,860,583 granted Jan. 14, 1975.
US Referenced Citations (4)
Non-Patent Literature Citations (1)
Entry |
Chemical Abstracts vol. 77, pp. 76 to 77 (1972) (abstracts no. 128084n, 128085p and 128089t). |
Divisions (1)
|
Number |
Date |
Country |
Parent |
206537 |
Dec 1971 |
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