Aralkyl-1,4-dihydropyridines, a method for their preparation and pharmaceutical composition containing them
US5075324A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1989 |
| Grant date | Dec 24, 1991 |
| Priority date | — |
| Expiry date | Jun 22, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D409/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
1,4-dihydropyridines of formula I ##STR1## wherein X is --CO.sub.2 R.sub.1, cyano, nitro, --COCH.sub.3 ; each of R and R.sub.1, which are the same or different, is a primary, secondary or tertiary, saturated or unsaturated, linear or branched C.sub.1 -C.sub.6 alkyl group optionally substituted by one or more hydroxy, C.sub.1 -C.sub.7 -monoalkylamino, di-C.sub.1 -C.sub.7 -alkylamino, benzylamino, C.sub.1 -C.sub.6 -alkoxy, phenoxy groups which are optionally substituted; R.sub.2 is hydrogen; R.sub.3 is hydrogen or hydroxy, --OCOR.sub.5, OSO.sub.2 R.sub.6, azide, amino, --NHPO(OR.sub.7).sub.2, --NHCOR.sub.5, C.sub.1 -C.sub.4 -alkoxy or fluorine, chlorine, bromine or iodine, SH, SCOR.sub.6 or C.sub.1 -C.sub.6 -alkylthio, phenylthio or benzylthio; R.sub.4 is an optionally substituted aromatic or an optionally substituted 5- or 6-membered heteroaromatic group; Y is one or more substituents, which may be the same or different, selected from C.sub.1 -C.sub.4 -alkoxy, halogen, nitro, cyano, C.sub.1 -C.sub.6 -alkoxycarbonyl, C.sub.1 -C.sub.6 -alkylthio, halo-C.sub.1 -C.sub.6 -alkyl, halo-C.sub.1 -C.sub.6 -alkoxy, NHCOR.sub.5 or NHSO.sub.2 R.sub.6 ; R.sub.5 is hydrogen or C.sub.1 -C.sub.4 -al…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.