Patent · US Active

Preparation of macrocyclic lactones

US10633359B2 · kind B2 · utility

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18Claims
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Inventor

Key dates

Filing dateMar 8, 2017
Grant dateApr 28, 2020
Priority date
Expiry dateApr 5, 2037

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G2261/334
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for preparing a macrocyclic lactone comprising 14 to 17 ring carbon atoms, the process comprising the steps of i) subjecting a reaction mixture comprising an olefin-containing random polyester, formed by metathesis to a cyclo-depolymerization reaction to form the macrocyclic lactone, and ii) concomitant removal of the macrocyclic lactone from the reaction mixture.

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