Amino derivatives of pyridazine, and compositions thereof for the central nervous system
US4508720A · kind A · utility
18Cited by
0References
3Claims
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Assignee
Inventors
Key dates
| Filing date | Jul 29, 1982 |
| Grant date | Apr 2, 1985 |
| Priority date | — |
| Expiry date | Jul 29, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/26
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to amino derivatives of pyridazine of general formula: ##STR1## in which one of the substituents R.sub.1, R.sub.2 or R.sub.3 represents a phenyl or hydroxyphenyl group, while the other two represent hydrogen or an alkyl group with C.sub.1 -C.sub.4 ; PA0 A represents a linear or branched alkylene group having 2 to 5 carbon atoms; PA0 X represents hydrogen or an alkyl group with C.sub.1 -C.sub.4, as well as the salts of said derivatives with the pharmaceutically acceptable acids, and also relates to a process for preparing the products of formula (I) and to drugs containing a product of formula (I).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.