Patent · US Active

Solid forms of n-tert-butyl-4[[2-(5-chloro-2-hydroxy-phenyl)acetyl]amino]pyridine-2-carboxamide

US12281077B2 · kind B2 · utility

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18Claims
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Assignee

Inventors

Key dates

Filing dateJan 24, 2022
Grant dateApr 22, 2025
Priority date
Expiry dateJan 17, 2044

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07B2200/13
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to novel forms of N-tert-Butyl-4-[[2-(5-chloro-2-hydroxy-phenyl)acetyl]amino]pyridine-2-carboxamide (Compound 1). In particular, the invention relates to the Form A and Form B crystalline polymorphs and the amorphous form.

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