Patent number: 5132322
Abstract: Compounds that are analogs of etoposide and exhibit antitumor activity are disclosed. The compounds of the present invention have the following formula: ##STR1## where: R.sub.1 is .beta.-OCH.sub.2 CH.sub.2 NH.sub.2 .beta.-NHCH(CH.sub.3)CH.sub.2 OH, .beta.-NHCH.sub.2 CH(CH.sub.3)OH, .beta.-Cl, .beta.-Br, .beta.-OH, .alpha.-OH, .beta.-NH, .alpha.-NH.sub.2, .beta.-NHCH.sub.2 CH.sub.2 OH, .alpha.-NHCH.sub.2 CH.sub.2 OH, .beta.-NHCH.sub.2 CH.sub.2 CH.sub.3, .beta.-NHCH.sub.2 CH.sub.2 OCH.sub.3, .beta.-NHCH.sub.2 CH.dbd.CH.sub.2, .beta.-NHCH.sub.2 CH(OH)CH.sub.3, .beta.-NHCH.sub.2 CH.sub.2 CH.sub.2 OH, .beta.-OCH.sub.2 CH.sub.2 OH, ##STR2## R.sub.2 is H, or Br; R.sub.1 is H, or Br;R.sub.4 is H, or Br;R.sub.5 is H, or Br; andR.sub.6 is H, or --CH.sub.3.
Type:
Grant
Filed:
September 12, 1989
Date of Patent:
July 21, 1992
Assignee:
The University of North Carolina at Chapel Hill
Inventors:
Kuo-Hsiung Lee, Zhe Oing Wang, J. Phillip Bowen, Dora M. Schnur, Yung-Chi Cheng, Su-Ying Liu, Yao H. Kuo, Masami Mori