Back to results
US 5,478,937 AGranted
Certain cinnoline carboxaldehydes and naphthyridine carboxaldehydes useful as intermediates
AssigneeBayer Aktiengesellschaft
InventorsAlexander Straub, Siegfried Goldmann, Jurgen Stoltefuss, Martin Bechem, Ranier Gross, Siegbert Hebisch, Joachim Hutter, Howard-Paul Rounding
Life of this patent
Estimating the term…
Abstract
The present invention relates to new 2-amino-4-heteroaryl-1,4-dihydropyridines of the general formula (I) ##STR1## in which R.sub.1 to R.sub.4 have the meaning given in the description, processes for their preparation and their use in medicaments, in particular in compositions for the treatment of cardiovascular disorders.
Claims1
An aldehyde of the formula
- R.sup.3 --CHO (II)
- in which
- R.sup.3 represents a radical of the formula ##STR38## in which R.sup.5 denotes hydrogen, halogen or straight-chain or branched alkyl or alkoxy in each case having up to 8 carbon atoms, and
- R.sup.6 denotes straight-chain or branched alkyl having up to 12 carbon atoms, or denotes cycloalkyl having 3 to 8 carbon atom.
1 more element
Dependencies are inferred from the claim text.