Patent · US Active

Low pressure carbonylation of heterocycles

US7569709B2 · kind B2 · utility

7Cited by
1References
27Claims
0Family size

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Inventors

Key dates

Filing dateFeb 13, 2007
Grant dateAug 4, 2009
Priority date—
Expiry dateFeb 13, 2027

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D407/12
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Heterocycles, e.g., epoxides, are carbonylated at low pressure with high percentage conversion to cyclic, ring expanded products using the catalystwhere L is tetrahydrofuran (THF).

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