1,4-dihydropyridine compounds
US5026863A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 2, 1990 |
| Grant date | Jun 25, 1991 |
| Priority date | — |
| Expiry date | May 2, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D405/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to new compounds of formula I: ##STR1## in which Ar represents a phenyl radical having one to five identical or different substituents selected from chloro or fluoro, PA1 Y, Z, Y.sub.1 and Z.sub.1, which may be identical or different, each represents a hydrogen atom, a straight-chain or branched lower alkyl radical containing 1 to 4 carbon atoms, a cyclopropyl radical, a dicyclopropylmethyl radical, a 2,2-dicyclopropylethyl radical, a 2,2-dicyclopropylethenyl radical, a 3,3-dicyclopropylpropyl radical, a 3,3-dicyclopropyl-1-propenyl radical, a straight-chain or branched alkenyl radical containing 2 to 5 carbon atoms or a phenyl radical substituted with a nitro radical, PA1 W represents a straight-chain or branched lower alkyl radical containing 1 to 4 carbon atoms, PA1 V represents an oxygen atom, PA1 U represents a methyleneoxy radical or an ethyleneoxy radical, PA1 m and n, which may be identical or different, each represents an integer which may take a value from 2 to 4, inclusive, R.sub.1 and R.sub.2, which may be identical or different, each represents a hydrogen atom, a straight-chain or branched lower alkyl radical containing 1 to 4 carbon atoms, or a s…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.