9H-imidazo[1,2-A]benzimidazole-3-acetamide derivatives, their preparation and their therapeutic application
US5466706A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 14, 1994 |
| Grant date | Nov 14, 1995 |
| Priority date | — |
| Expiry date | Jan 14, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compound corresponding to the formula: ##STR1## in which X represents one or more of hydrogen, halogen, alkyl, trifluoromethyl, alkoxy, alkylthio, methylsulphonyl, cyano, ethoxycarbonyl, aminocarbonyl and carboxy, Y represents one or more of hydrogen, halogens, alkyl, trifluoromethyl, methoxy and trifluoromethoxy, R.sub.1 represents hydrogen, alkyl, phenylmethyl, 2-phenylethyl, acetyl or alkoxycarbonyl, R.sub.2 and R.sub.3 each represent hydrogen, alkyl which is optionally substituted, prop-2-enyl, prop-2-ynyl, phenyl, 1-(phenylmethyl)piperidin-4-yl, or 1-[(cyclohexen-1-yl)methyl]piperidin-4-yl, or alternatively R.sub.2 and R.sub.3 form, with the nitrogen atom carrying them, an optionally substituted heterocycle. These compounds are useful as hypnotic, anxiolytic and anticonvulsant agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.