Patent · US Active

Bisulfate of janus kinase (JAK) inhibitor and preparation method therefor

US9422300B2 · kind B2 · utility

6Cited by
1References
9Claims
0Family size

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Key dates

Filing dateMay 5, 2014
Grant dateAug 23, 2016
Priority date
Expiry dateMay 5, 2034

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P43/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.