Patent · US Active

Intermediates and processes for the preparation of Linagliptin and its salts

US11401269B2 · kind B2 · utility

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6References
15Claims
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Key dates

Filing dateMay 13, 2019
Grant dateAug 2, 2022
Priority date—
Expiry dateMay 13, 2039

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D473/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Disclosed are new intermediates for the synthesis of Linagliptin and of its salts and a process for its preparation involving said intermediates.

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