Patent · US Active

Pyrazolopyrimidone or Pyrrolotriazone derivatives, method of preparing same, and pharmaceutical applications thereof

US10344034B2 · kind B2 · utility

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11Claims
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Key dates

Filing dateMay 2, 2018
Grant dateJul 9, 2019
Priority date
Expiry dateMay 2, 2038

Classification

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

Abstract

Methods of preparation and pharmaceutical uses of pyrazolopyrimidone derivatives are described. Specifically, methods of preparation and pharmaceutical uses of pyrazolopyrimidone derivatives represented by the general formula (II) and pharmaceutically acceptable salts thereof are described, wherein the definitions of substituents in the general formula (II) are the same as the definitions in the specification. The pyrazolopyrimidone derivatives are useful as gonadotropin releasing hormone (GnRH) antagonists, such as for therapeutic agents for endometriosis.

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