Patent · US Active

Process for producing pyridine compound, and pyridine compound

US8742128B2 · kind B2 · utility

1Cited by
1References
16Claims
0Family size

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Inventors

Key dates

Filing dateMay 22, 2009
Grant dateJun 3, 2014
Priority date
Expiry dateMay 22, 2029

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D213/16
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Provided is a process for producing a high-purity pyridine compound from a crude pyridine compound that contains a diazine compound as an impurity, the method including a reaction step of reacting the crude pyridine compound with an aluminum hydride compound, and a distillation step of distilling the product obtained from the reaction step. The aluminum hydride compound preferably contains one or more compounds selected from lithium aluminum hydride and sodium aluminum hydride.

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