Patent · US Expired

Podophyllotoxin derivatives

US7342114B2 · kind B2 · utility

4Cited by
3References
4Claims
0Family size

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Key dates

Filing dateJul 1, 2003
Grant dateMar 11, 2008
Priority date
Expiry dateDec 23, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D493/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

4-O esters of podophyllotoxin and 4′-demethylepipodophyllotoxin are provided. The compounds are 4-O esters of an alkanoic acid or substituted alkanoic acid and podophyllotoxin and 4′-demethylepipodophyllotoxin. The compounds are useful for treating cancer.

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