Patent · US Active

Synthesis of hexahydrodibenzopyranones

US8258322B2 · kind B2 · utility

0Cited by
8References
12Claims
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Key dates

Filing dateAug 28, 2009
Grant dateSep 4, 2012
Priority date—
Expiry dateSep 18, 2030

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P29/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

An improved process is provided for the synthesis of hexahydrodibenzo[b,d]pyran-9-ones, such as nabilone.

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