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US 4,393,212 AGranted
Certain nicotinic acid esters and corresponding nicotinonitriles
AssigneeMerck & Co., Inc.
InventorsJohn J. Baldwin, Gerald S. Ponticello
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Abstract
Novel substituted (3-loweralkylamino-2-R.sub.1 O-propoxy)pyridines, their pharmaceutically acceptable salts, certain intermediates and their preparation are disclosed. These pyridines have pharmaceutically useful properties such as .beta.-adrenergic blocking activity.
Claims2
A compound of the formula ##STR98## wherein R.sub.3 is COOC.sub.2 H.sub.5 or CN and R.sub.5' is CH.sub.2 Br, CHBr.sub.2 or CBr.sub.3.
Dependencies are inferred from the claim text.