Patent · US Active

Process for making amino diaryl ethers and amino diaryl ethers hydrochloride salts

US11472771B2 · kind B2 · utility

1Cited by
2References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 20, 2019
Grant dateOct 18, 2022
Priority date
Expiry dateJun 20, 2039

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07B2200/13
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention relates to a process for making a compound of formula (I) as described herein Formula (I) comprising reducing a compound of formula (II) as described herein with hydrogen in the presence of a palladium catalyst and a solvent wherein the solvent is a polar, aprotic solvent or a C3-C10 alcohol Formula (II). The present invention further relates to a hydrochloride salt and a monohydrochloride salt of the compound of formula (I) as described herein and to a process for making the same Formula (I).

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