Patent number: 6020341
Abstract: A quinone imine enediyne possessing cytotoxic activity towards cancer cells having general structure (I) wherein R.sub.1, R.sub.2 and R.sub.3 are independently the same or different and are H, Br, Cl, F, NH.sub.2, CO.sub.2 H, OH, linear or branched alkyl, etc.; wherein R.sub.4 is H, OH or linear or branched alkoxy, linear or branched alkoxycarbonyl, etc.; wherein R.sub.5 is H, Br, Cl, F, O.dbd., OH or S--SR, or linear or branched alkyl, etc.; wherein R.sub.6 is H, Br, Cl, F, CO.sub.2 H, OH or S--SR', or linear or branched alkyl, etc.; wherein R.sub.7 is H, OH or S--SR", or linear or branched alkyl, linear or branched alkoxycarbonyl, linear or branched alkoxy or linear or branched hydroxyalkyl; and wherein R, R' and R" are independently the same or different and are linear or branched alkyl, linear or branched acyl or linear or branched alkoxyalkyl.
Type:
Grant
Filed:
October 16, 1997
Date of Patent:
February 1, 2000
Assignee:
Sloan-Kettering Institute for Cancer Research
Inventors:
Samuel J. Danishefsky, Matthew D. Shair, Taeyoung Yoon, Ting-Chao Chou, Karoline K. Mosny
Patent number: 5622958
Abstract: A quinone imine enediyne possessing cytotoxic activity towards cancer cells having the general structure: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are independently the same or different and are H, Br, Cl, F, NH.sub.2, CO.sub.2 H, or OH or a linear or branched alkyl, etc.; wherein R.sub.4 is H, OH or a linear or branched alkoxy, linear or branched alkoxycarbonyl, etc.; wherein R.sub.5 is H, Br, Cl, F, O.dbd., OH or S--SR, or a linear or branched alkyl, etc.; wherein R.sub.6 is H, Br, Cl, F, CO.sub.2 H, OH or S--SR', or a linear or branched alkyl, etc; wherein R.sub.7 is H, OH or S--SR", or a linear or branched alkyl, linear or branched alkoxycarbonyl, linear or branched alkoxy or linear or branched hydroxyalkyl group; and wherein R, R' and R" are independently the same or different and are a linear or branched alkyl, linear or branched acyl or linear or branched alkoxyalkyl group.
Type:
Grant
Filed:
December 1, 1994
Date of Patent:
April 22, 1997
Assignee:
Sloan-Kettering Institute for Cancer Research
Inventors:
Samuel J. Danishefsky, Matthew D. Shair, Taeyoung Yoon, T.-C. Chou