Patent · US Expired

4-Acetoxy-2.alpha.-benzoyloxy-5.beta.,20-epoxy-1.beta.,7.beta.,10.beta.-tri hydroxy-9-oxo-11-taxen-13.alpha.-yl(2R,3S)-3-t-butoxycarbonylamino-3-phenyl -2-hydroxypropionate trihydrate

US6197980A · kind A · utility

18Cited by
3References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 20, 1999
Grant dateMar 6, 2001
Priority date
Expiry dateAug 20, 2019

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P35/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

4-acetoxy-2.alpha.-benzoyloxy-5.beta., 20-epoxy-1.beta., 7.beta., 10.beta.-trihydroxy-9-oxo-11-taxen-13.alpha.-y1(2R,3S)-3-t-butoxycarbonyla mino-3-phenyl-2-hydroxypropionate trihydrate obtained by a process of centrifugal partition chromatography.

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