Imidazo[2,1-C]quinolines, useful as antiallergic agents
US4644002A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 23, 1985 |
| Grant date | Feb 17, 1987 |
| Priority date | — |
| Expiry date | Oct 23, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D241/44
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel compounds of the formula ##STR1## wherein A is selected from the group consisting of nitrogen and .dbd.CH--, G is ##STR2## Z is selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms or taken with Y forms a carbon-carbon bond, Z' is selected from the group consisting of hydrogen and halogen, Y is hydrogen, or taken with Z is a carbon-carbon bond or taken with X is .dbd.O and X is hydrogen or taken with Y is .dbd.O, R is selected from the group consisting of hydroxymethyl, formyl, tetrazol-5-yl, N-(tetrazol-5-yl) carbamoyl, aminomethyl and carbamoyl, R.sub.1 is selected from the group consisting of hydrogen, halogen and alkoxy of 1 to 5 carbon atoms and its non-toxic, pharmaceutically acceptable acid addition salts having antiallergic activity and their preparation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.