- Preparation method and medical application of benzisothiazole and benzothiophene
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The invention discloses a preparation method and medical application of benzisothiazole and benzothiophene, and telates to the field of pharmaceutical chemistry. According to the invention, benzisothiazole and benzothiophene are the first type of HIF-2 agonists; compared with a compound M1001 found by the applicant in the earlier stage, the invention has better HIF-2 agonist activity, and has remarkable enhancement activity on expression of mRNA and protein of EPO, VGEF, Glut1, NDRG1 and the like at the downstream of HIF-2, so that the invention can be used for preparing drugs for treating and/or preventing chronic kidney diseases/chronic renal anemia, dyslipidemia and high cholesterol caused by abnormal expression of HIF-2; and the method has a good industrialization prospect.
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Paragraph 0241; 0252; 0253
(2021/08/19)
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- Benzothiazine dioxides as endothelin antagonists
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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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