Patent · US Expired

Butenyl substituted taxanes and pharmaceutical compositions containing them

US5284864A · kind A · utility

53Cited by
10References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 13, 1992
Grant dateFeb 8, 1994
Priority date
Expiry dateNov 13, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/55
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Taxane derivatives of the formula ##STR1## wherein R.sub.1 is butenyl, PA0 R.sub.3 is phenyl, PA0 T.sub.1 is hydrogen, hydroxyl protecting group, or --COT.sub.2, PA0 T.sub.2 is H, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl, C.sub.2 -C.sub.6 alkynyl or monocylic aryl, PA0 Ac is acetyl, and PA0 E.sub.1 and E.sub.2 are independently selected from hydrogen and functional groups which increase the water solubility of the taxane derivative are useful as antitumor agents.

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