7,8-dihydro-4-(1-pierazinyl)-6H-thiopyrano-[3,2-d] pyrimidines as beta -blockers

摘要

7,8-Dihydro-4-(1-piperazinyl)-6H-thiopyranopyrimidines have beta -adrenergic blocking properties and are thus useful in the treatment of cardiovascular ailments known to be amenable to beta -blocker therapy. Certain of the compounds are useful in the treatment of elevated intraocular pressure by topical ocular administration.