Substituted-phenyl (N,N'-cycloalkyl/alkyl carboxamide)-1H/3H-imidazo[4,5-b]pyridine compounds as PAF antagonists
US5359073A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 24, 1992 |
| Grant date | Oct 25, 1994 |
| Priority date | — |
| Expiry date | Nov 24, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/1804
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A class of N,N'-cycloalkyl/alkyl benzamides of certain 1H-imidazo[4,5-b]pyridine and 3H-imidazo[4,5-b]pyridine compounds is described for treating cardiovascular and immuno-inflammatory related disorders mediated by platelet activating factor (PAF). Compounds of particular interest are those of the formula: ##STR1## wherein each of X.sup.a and X.sup.b is independently selected from nitrogen atom and --CH--, with the proviso that when one of X.sup.a and X.sup.b is selected as nitrogen atom, then the other of X.sup.a and X.sup.b must be --CH--; wherein R.sup.1 is selected from hydrido, alkyl, hydroxyalkyl, alkoxyalkyl, phenyl, halophenyl, alkylsilyloxyalkyl, amino, monoalkylamino, dialkylamino, aminoalkyl, monoalkylaminoalkyl and dialkylaminoalkyl; wherein each of R.sup.5, R.sup.6, R.sup.7 and R.sup.8 is independently selected from hydrido, hydroxy, alkyl, alkoxy, fluoro, chloro, bromo, haloalkyl, alkylthio, alkoxyalkyl, hydroxyalkyl, alkylthioalkyl, cyano, amino, monoalkylamino and dialkylamino; wherein each of R.sup.9 and R.sup.10 is independently selected from hydrido, alkyl, cycloalkyl, bicycloalkyl, heteroaryl, aryl, alkenyl and cycloalkenyl, and wherein any of said R.sup.9 and …
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