Camptothecin derivatives having antitumor activity

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai

Reexamination Certificate

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Details

C514S033000, C514S280000, C514S283000, C536S004100, C536S017200, C536S018700, C546S048000

Reexamination Certificate

active

07105492

ABSTRACT:
Camptothecin derivatives of camptothecin of formula (I)exhibit antitumor activity and show a good therapeutic index and are used in the treatment of tumors, viral infections and antiplasmodium falciparum.

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Sawada, S. et al “Chemical modification of an antitumor alkaloid camptothecin” Chem. Pharm. Bull., vol. 39, No. 10, pp. 2574-2580 1991.
Barstow, K. et al “Antitumor agents . . . ” Bioorg. Med. Chem. vol. 5, No. 8, pp. 1481-1488 1997.
CAS abstract of WO 98/07727.
Wang, H.-K. et al “Novel water-soluble 7-acylhydrazono-(formyl camptothecins . . . ” Bioorg. & Med Chem. Lett. vol. 4, No. 4, pp. 579-582 1994.

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