3-(1-substituted-4-piperazinyl)-1H-indazoles
US4954503A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 1989 |
| Grant date | Sep 4, 1990 |
| Priority date | — |
| Expiry date | Sep 11, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/65583
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to 3-(1-substituted-4-piperazinyl)-1H-indazoles having the following formula ##STR1## wherein R.sub.1 is hydrogen, lower alkyl, arylloweralkyl, acyl, cycloalkylloweralkylene, and phenylsulfonyl: and R.sub.2 is hydrogen, lower alkyl, hydroxyloweralkyl of the formula ##STR2## where Z is selected from hydrogen, halogen, loweralkoxy, CF.sub.3, NO.sub.2, and NH.sub.2 ; ##STR3## where Z is as defined above; ##STR4## where Z is as defined above; ##STR5## where R.sub.3 and R.sub.4 are each independently hydrogen and loweralkyl; ##STR6## where Z is as defined above; ##STR7## where R' and R" are each independently hydrogen and loweralkyl; X is hydrogen, loweralkyl, hydroxyl, halogen, loweralkoxy, CF.sub.3, NO.sub.2 and amino; n is an integer of 1 to 4, with the further proviso that R.sub.2 is not loweralkyl when R.sub.1 is hydrogen or acyl and X is chloro; the pharmaceutically acceptable acid addition salts thereof and where appropriate the geometric isomers, the stereoisomers and racemic mixtures thereof. The compounds of this invention display utility as analgesic and antipsychotic agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.