Patent · US Active

Process for preparing 1, 3-Dihydroimidazole-2-Thione Derivatives

US9346751B2 · kind B2 · utility

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1References
20Claims
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Assignee

Inventors

Key dates

Filing dateJun 29, 2012
Grant dateMay 24, 2016
Priority date
Expiry dateJul 15, 2032

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C311/17
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to a process for preparing (R)-5-(2-(benzylamino)ethyl)-1-(6,8-difluorochroman-3-yl)-1H-imidazole-2(3H)-thione, and pharmaceutically acceptable salts thereof, especially the hydrochloride salt. The invention also relates to a process for making intermediates useful in the formation of said compound, and to the intermediates, per se.

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