PHARMACEUTICAL COMPOSITIONS CONTAINING OXAZOLO(5,4-D)-AND THIAZOLO(5,4-D)AZEPIN DERIVATIVES FOR TREATMENT OF ANGINA PECTORIS

摘要

Antianginal pharmaceutical compositions containing as the active ingredient a compound of the formula IMAGE wherein R1 is hydrogen, unsubstituted or hydroxyl-substituted alkyl of 1 to 4 carbon atoms; allyl; or unsubstituted or halo-, methyl-, methoxy- or trifluoromethyl-substituted benzyl; and X is oxygen or sulfur; or a non-toxic, pharmaceutically acceptable acid addition salt thereof; and methods of treating angina pectoris therewith.