Patent · US Active

Substituted 3-hydroxy-δ-lactones from epoxides

US9676743B2 · kind B2 · utility

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25Claims
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Key dates

Filing dateSep 4, 2013
Grant dateJun 13, 2017
Priority date—
Expiry dateSep 4, 2033

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D405/06
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Catalysts and methods for the carbonylation of epoxides to substituted 3-hydroxy-δ-lactones and β-lactones are disclosed.

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