Claims
- 1. A dyestuff of the formula ##STR41## in which D is phenyl, or phenyl substituted by chloro, bromo, nitro, trifluoromethyl, cyano, methoxy, methyl, sulfonamide, carbomethoxy, N-methylsulfonamide, or methylsulphonyl,
- d is hydrogen, methoxy, ethoxy, chloro or methyl,
- R.sub.1 is hydrogen, methyl, ethyl, cyanoethyl, hydroxyethyl, acetoxyethyl, methoxyethyl, benzyl, phenylethyl or butyl,
- R.sub.2 is methylene, ethylene, propylene, isopropylene or phenylene,
- R is methyl, ethyl, propyl, butyl, phenyl, toluyl, dimethylamino or chloromethyl.
- 2. An azo compound as claimed in claim 1 of the formula ##STR42##
- 3. An azo compound as claimed in claim 1 of the formula ##STR43##
Priority Claims (1)
Number |
Date |
Country |
Kind |
6468/71 |
May 1971 |
CHX |
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Parent Case Info
This is a continuation of application Ser. No. 485,054, filed July 1, 1974 (now abandoned), which in turn, was a continuation of Application Ser. No. 243,469 filed Apr. 12, 1972, now abandoned.
US Referenced Citations (11)
Continuations (2)
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Number |
Date |
Country |
Parent |
485054 |
Jul 1974 |
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Parent |
243469 |
Apr 1972 |
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