1,4-dihydro-2-(4-[benzimidazol-l-yl]phenyl)-pyridines as platelet activating factor antagonists
US5063237A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 1, 1990 |
| Grant date | Nov 5, 1991 |
| Priority date | — |
| Expiry date | May 1, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D513/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Platelet activating factor antagonists of formula (I): ##STR1## wherein R is phenyl or phenyl substituted by one or more substituents selected from nitro, halo, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, aryl(C.sub.1 -C.sub.4)alkoxy, fluoro(C.sub.1 -C.sub.4)alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 alkylsulphonyl, hydroxy, trifluoromethyl and cyano, or is phenyl fused to a dioxole ring; PA0 R.sup.1 and R.sup.2 are each independently H or C.sub.1 -C.sub.6 alkyl, or R.sup.1 and R.sup.2 together complete a pyrrolidinyl, piperidino, morpholino, piperazinyl, N-(C.sub.1 -C.sub.4 alkyl)piperazinyl or N-(C.sub.2 -C.sub.4 alkanoyl)-piperazinyl group; PA0 R.sup.2 is H or C.sub.1 -C.sub.4 alkyl and R.sup.1 is CN, C.sub.3 -C.sub.7 cycloalkyl, aryl, heteroaryl or a C.sub.1 -C.sub.4 alkyl group substituted by one or more substituents selected from C.sub.3 -C.sub.7 cycloalkyl, C.sub.1 -C.sub.4 alkoxycarbonyl, aryl or heteroaryl; PA0 Z is selected from C.sub.1 -C.sub.6 alkoxy, aryl(C.sub.1 -C.sub.4)alkoxy, hydroxy, and --NR.sup.4 R.sup.5 wherein each of R.sup.4 and R.sup.5 is independently H or C.sub.1 -C.sub.6 alkyl, or R.sup.4 and R.sup.5 together complete a pyrrolidinyl, piperi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.