Bisulfate of janus kinase (JAK) inhibitor and preparation method therefor
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United States of America Patent
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Aug 23, 2016
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May 5, 2014
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Jun 7, 2013
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Abstract
The present invention relates to a bisulfate of a Janus kinase (JAK) inhibitor and a preparation method therefor. More specifically, the present invention relates to a (3aR,5s,6aS)—N-(3-methoxyl-1,2,4-thiadiazole-5-group)-5-(methyl(7H-pyrrolo[2,3-d]pyrimidine-4-group)amino)hexahydrocyclopenta[c]pyrrole-2(1H)-formamide bisulfate shown in the formula (I), a preparation method therefor, and an application thereof. The bisulfate shown in the formula (I) can be well suitable as a Janus kinase (JAK) inhibitor in clinical work for treating rheumatism or rheumatoid arthritis.
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