Dihydropyridine derivatives and their production, formulation and use as pharmaceuticals.

摘要

There are described compounds of formula I, <CHEM> in which R2 and R3, which may be the same or different, each represent alkyl C1 to 6 or cycloalkyl C3 to 8, R7 and R8, which may be the same or different, each represent alkyl C1 to 6 optionally substituted by halogen, and X, Y and Z, which may be the same or different, are each hydrogen, halogen, nitro or alkyl C1 to 6 optionally substituted by halogen, or Z is as defined above and X and Y, together with the carbon atoms to which they are attached, form a C5 to 8 carbocyclic ring, other than a benzene ring, provided that when R2, R3, R7 and R8 are all methyl and X and Z are hydrogen; or when R2 and R3 are both ethyl, R7 and R8 are both ethyl and X and Z are hydrogen; then Y is other than methyl. There are also described methods for making the compounds and their formulation and use as pharmaceuticals, e.g. for the treatment of cardiovascular conditions.