[EN] CAMPTOTHECIN DERIVATIVES HAVING ANTITUMOR ACTIVITY<br/>[FR] DERIVES DE CAMPTOTHECINE AYANT UNE ACTION ANTITUMORALE
申请人:SIGMA TAU IND FARMACEUTICHE S
公开号:WO2000053607A1
公开(公告)日:2000-09-14
Camptothecin derivatives of camptothecin of formula (I), wherein the groups R1, R2 and R3 are as defined in the description are disclosed. The compounds of formula (I) are endowed with antitumor activity and show a good therapeutic index. Processes for the preparation of the compounds of formula (I) and their use in the preparation of medicaments useful in the treatment of tumors, viral infections and antiplasmodium falciparum are also disclosed.
Camptothecin derivatives of camptothecin of formula (I)
1
wherein the groups R
1
, R
2
and R
3
are as defined in the description are disclosed.
The compounds of formula (I) are endowed with antitumor activity and show a good therapeutic index.
Processes for the preparation of the compounds of formula (I) and their use in the preparation of medicaments useful in the treatment of tumors, viral infections and antiplasmodium falciparum are also disclosed.