Patent · US Active

Method and substances for preparation of N-substituted pyridinium compounds

US8754111B2 · kind B2 · utility

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14Claims
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Key dates

Filing dateJul 18, 2013
Grant dateJun 17, 2014
Priority date—
Expiry dateJul 18, 2033

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D213/46
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A method for the synthesis of N-substituted 3-acylated pyridinium compounds by reacting a pentamethine precursor with a primary amine.

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