Claims
- 1. A compound of formula (I) ##STR23## in which: R.sub.1 and R.sub.2 denote, independently of one another, a hydrogen atom, an alkyl radical having from 1 to 4 carbon atoms or a mono- or polyhydroxyalkyl radical having 2 or 3 carbon atoms; and
- Z and Z' denotes, independently of one another, an alkyl radical having from 1 to 4 carbon atoms or a hydroxyalkyl radical having from 2 to 4 carbon atoms with the proviso that, when R.sub.1 and R.sub.2 simultaneously denote a hydrogen atom, Z and Z' do not simultaneously denote a methyl radical, and their addition salts with an acid.
- 2. A compound according to claim 1, which is chosen from the group consisting of 4-(.beta.-hydroxyethyl)amino-2-amino 1,3-dimethoxybenzene, 4-amino-2-(.beta.hydroxyethyl)amino-1,3-dimethoxybenzene, 4-methylamino-2-amino-1,3-dimethoxybenzene, 2,4-bis(.beta.-hydroxyethyl)amino-1,3-dimethoxybenzene, 2,4-diamino-1,3-diethoxybenzene, 2,4-diamino-1,3-bis(.beta.-hydroxypropoxy)benzene, and their addition salts with an acid.
Priority Claims (1)
Number |
Date |
Country |
Kind |
86905 |
May 1987 |
LUX |
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Parent Case Info
This is a division of application Ser. No. 07/200,170, filed May 31, 1988 now U.S. Pat. No. 4,960,432.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4566876 |
Brown et al. |
Jan 1986 |
|
4766244 |
Lysenko |
Aug 1988 |
|
Foreign Referenced Citations (1)
Number |
Date |
Country |
1145746 |
Feb 1962 |
DEX |
Non-Patent Literature Citations (2)
Entry |
Grollier, J. et al., "Hair Dyes Containing Rapid Oxidation Dyes, etc.", CA, 111, 120609n (1989). |
Weinberger, L. et al., "Syntheses of Dimethoxybenzimidazoles, etc.", J. Org. Chem., vol. 24, p. 1451 (10/1959). |