Dihydroimidazo[5.1-a]-beta-carboline derivatives, method for their preparation, and their application as a drug
US7291627B2 · kind B2 · utility
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1References
14Claims
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Assignee
Inventors
Key dates
| Filing date | May 16, 2002 |
| Grant date | Nov 6, 2007 |
| Priority date | — |
| Expiry date | Feb 23, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention concerns dihydroimidazo[5,1-a]-β-carboline compounds of general formula (I)wherein in particular, R1, R2, R3, R4, R6 and R7, identical or different, independently of one another, present a hydrogen, halogen atom, an alkyl, hydroxyl, alkoxy, trihalogenoalkyl, alkylamino, dialkylamino, aryl, arylalkyl, carboxy, alkylcarbonyloxy, acyl, aryloxy or arylalkoxy group; R5 represents a hydrogen atom, an alkyl or arylalkyl group; and their isomers as well as their addition salts to a pharmaceutically acceptable acid. The inventive compounds are for use in medicine, in particular as hypnotics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.