Claims
- 1. A pyridine compound of the formula: ##SPC5##
- wherein R.sub.1 in the 3- or 5-position of the pyridine nucleus represents a group of the formula ##EQU1## in which R.sub.3 and R.sub.4 are hydrogen, alkyl of 1 to 3 carbon atoms, methoxyethyl, ethoxyethyl or together with the nitrogen atom form pyrrolidino, piperidino, morpholino or 4-methylpiperazino, provided R.sub.3 and R.sub.4 are methoxyethyl or ethoxyethyl only when one of them is hydrogen; and R.sub.2 in the 2-, 4-or 6-position represents 4-methylpiperazino or 4-hydroxyethylpiperazino, and the pharmaceutically acceptable acid addition salts thereof.
- 2. A compound according to claim 1, wherein R.sub.1 in the 3-position represents ethylsulfonamido or diethylsulfonamido, when R.sub.2 in the 2-position represents N-methyl-piperazino.
- 3. A compound according to claim 1, wherein R.sub.1 in the 5-position represents ethylsulfonamido whereas R.sub.2 in the 2-position represents N-methyl-piperazino.
- 4. A compound according to claim 1, wherein R.sub.1 in the 3-position represents sulfonamido, methylsulfonamido, diethylsulfonamido, isopropylsulfonamido, N-methylpiperazinylsulfone, methoxyethylsulfonamido or ethoxyethylsulfonamido, while R.sub.2 in the 4-position represents N-methylpiperazino.
Priority Claims (1)
Number |
Date |
Country |
Kind |
53675/70 |
Nov 1970 |
UK |
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CROSS-RELATED APPLICATION
This invention is a continuation-in-part of our earlier application Ser. No. 197,139 filed oon Nov. 9, 1971, now U.S. Pat. No. 3,819,639.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
3674794 |
Mizzoni et al. |
Jul 1972 |
|
3819639 |
Delarge et al. |
Jun 1974 |
|
3904636 |
Delarge et al. |
Sep 1975 |
|
Non-Patent Literature Citations (2)
Entry |
Bonati, et al., Chemical Abstracts, vol. 56, p. 13237, (1962). |
Delarge, et al., Chemical Abstracts, vol. 77, 88325h, (1972). |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
197139 |
Nov 1976 |
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