Patent · US Active

Processes for the preparation of 4-[[4-[[4-(2-cyanoethenyl)-2,6-dimethylphenyl]amino]-2-pyrimidinyl]amino]benzonitrile

US7705148B2 · kind B2 · utility

5Cited by
10References
9Claims
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Assignee

Inventors

Key dates

Filing dateFeb 14, 2008
Grant dateApr 27, 2010
Priority date
Expiry dateFeb 14, 2028

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C253/30
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Processes for the preparation of 4-[[4-[[4-(2-cyanoethenyl)-2,6-dimethylphenyl]-amino]-2-pyrimidinyl]amino]benzonitrile of formula (I), a N-oxide, a pharmaceutically acceptable acid addition salt, a quaternary amine or a stereochemically isomeric form thereof are provided, said processes comprise: in the presence of a suitable solvent; with acrylonitrile in the presence of a suitable palladium catalyst, a suitable base and a suitable solvent;

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