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US 4,364,952 AGranted
Certain 1,4-dihydro-2,6-dimethyl-3,5-pyridine-dicarboxylates, composition containing same and method of use
AssigneeBayer Aktiengesellschaft
InventorCarsten Materne
Life of this patent
Estimating the term…
Abstract
The invention relates to 1,4-dihydropyridines which carry an arylalkyl or aryloxyalkyl radical in the 4-position. Also included in the invention are methods for the preparation of said compounds. The invention further relates to compositions containing said 1,4-dihydropyridines and the use of said compounds and compositions for their circulation influencing effects.
Claims9
A compound which is a 1,4-dihydropyridine of the formula ##STR11## or a salt pharmaceutically acceptable thereof, in which
- R.sup.1 and R.sup.2 are identical or different and denote a straight-chain or branched alkyl radical with 1 to 4 carbon atoms,
- R.sup.3 represents a hydrogen atom, a methyl group or a phenyl radical and
- R.sup.4 represents a phenyl or phenoxy radical unsubstituted, or may optionally carry 1 substituent selected from nitro, halogen, methyl, methoxy or dimethyl, with a proviso that R.sup.3 represents hydrogen or methyl only when R.sup.4 is phenoxy or substituted phenoxy.
Dependencies are inferred from the claim text.