N-Aryl-N-phenoxy-alkyl-piperazine compounds useful in decreasing intracranial pressure
US4413006A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 3, 1982 |
| Grant date | Nov 1, 1983 |
| Priority date | — |
| Expiry date | May 3, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D309/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A piperazine derivative of the formula: ##STR1## wherein R.sup.1 is hydrogen, alkyl (C.sub.1-8), alkyl (C.sub.1-4)-sulfonyl or an acyl group of the formula: R.sup.3 CO--(wherein R.sup.3 is hydrogen, alkyl (C.sub.1-7), halogenoalkyl (C.sub.1-4), alkoxy (C.sub.1-4)-carbonyl-alkyl (C.sub.1-4), cycloalkyl (C.sub.3-6), alkenyl (C.sub.2-5), alkoxy (C.sub.1-4), amino, alkyl (C.sub.1-4)-amino or anilino), R.sup.2 is hydrogen, alkyl (C.sub.1-4), alkoxy (C.sub.1-4)-carbonyl-alkyl (C.sub.1-4), carboxy-alkyl (C.sub.1-4), alkenyl (C.sub.2-5) or alkyl (C.sub.1-4)-sulfonyl, or R.sup.1 and R.sup.2 are combined together to form succinyl group, Ring A is phenyl, alkyl (C.sub.1-4)-phenyl or halogenophenyl, and n is an integer of 2 to 6, or a pharmaceutically acceptable acid addition salt thereof. The piperazine derivative (I) has an intracranial pressure-lowering activity. Said derivative also has a depressing effect on central nervous system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.