| abstract |
Novel benzothiazine dioxides which are antagonists of endothelin are described, as well as novel intermediates used in their preparation, methods for the preparation, and pharmaceutical compositions of the same, which are useful in treating elevated levels of endohelin, essential renovascular malignant and pulmonary hypertension, cerebral infarction, cerebral ischemia, congestive heart failure, and subarachnoid hemorrhage. |