Claims
- 1. A compound of the formula ##STR52## in which Ar is a substituted or unsubstituted phenyl radical or a naphthyl radical wherein the substituents are one or more halogen atoms or nitro, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, m- or p-carboxyl, aryloxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, sulfonamide, carboxamide, acyl, acylamino or phenylazo groups, and the phenyl nucleus in the phenylazo groups can be substituted by chlorine, nitro, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxycarbonyl or sulfonamide groups.
- 2. A compound of the formula ##STR53## in which Ar.sub.2 is a phenyl radical, which can carry one or more halogen atoms or nitro, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, m- or p-carboxyl, aryloxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, sulfonamide, carboxamide, acyl, acylamino or phenylazo groups, and the phenyl nucleus in the phenylazo groups can be substituted by chlorine, nitro, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxycarbonyl or sulfonamide groups.
- 3. A compound of the formula ##STR54## in which Ar.sub.3 is a phenyl radical or a 4-nitrophenyl, 2-chloro-4-nitrophenyl, 2-cyano-4-nitrophenyl, 2,4-dinitrophenyl, 2-chloro-4,6-dinitrophenyl or 3- or 4-carboxyphenyl radical.
Priority Claims (1)
Number |
Date |
Country |
Kind |
6077/78 |
Jun 1978 |
CHX |
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Parent Case Info
This is a division of application Ser. No. 122,785 filed on Feb. 19, 1980 now abandoned, which in turn is a division of Ser. No. 042,696 filed May 25, 1979, now U.S. Pat. No. 4,243,583.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4309181 |
Rau |
Jan 1982 |
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Foreign Referenced Citations (2)
Number |
Date |
Country |
1101727 |
Apr 1968 |
GBX |
1326124 |
Jan 1973 |
GBX |
Divisions (2)
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Number |
Date |
Country |
Parent |
122785 |
Feb 1980 |
|
Parent |
42696 |
May 1979 |
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