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US 5,208,245 AGranted
Dihydropyridine derivative
AssigneeWakunaga Seiyaku Kabushiki Kaisha
InventorsTerukage Hirata, Yasushi Yoshimura, Masanori Kakimoto, Koichi Tamura, Harunobu Amagase
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Abstract
The present invention provides dihydropyridine derivatives represented by the following formula (I) ##STR1## and salts thereof. They have extremely strong, slow and long-acting vasodilating action and antihypertensive action with less adverse effects so that they are useful as therapeutic agents for cardiovascular diseases.
Claims3
A dihydropyridine compound represented by the following formula (I) ##STR143## wherein R.sup.1 is a lower alkyl group;
- R.sup.2 and R.sup.3, which may or may not be the same, are lower alkyl groups;
- X is a halogen substituted phenyl group;
- and Y is a 3,4-dihydro-2H-benzo[b]pyran-4-yl group or methyl substituted 3,4-dihydro-2H-benzo[b]pyran-4-yl group;
- or a salt thereof.
1 more element
Dependencies are inferred from the claim text.