Benzothiazine dioxides as endothelin antagonists

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

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544 49, 544 33, 514 64, 514 81, 5142245, A61K 3154, C07D27902

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active

055998119

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 endothelin, essential renovascular malignant and pulmonary hypertension, cerebral infarction, cerebral ischemia, congestive heart failure, and subarachnoid hemorrhage.

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