CAMPTOTHECIN COMPOUND CONTAINING STABLE 7-MEMBERED LACTONE RING, PREPARATION METHOD AND USE
申请人:Lv Wei
公开号:US20140128421A1
公开(公告)日:2014-05-08
Provided are a camptothecin compound containing 7-membered lactone ring, as shown in general formula I, and pharmaceutically acceptable salt thereof, as well as the preparation method and use thereof. In general formula I, R
1
is H, a C1˜C3 alkyl, acetyl or propionyl; R
2
is H, a C1˜C6 alkyl, a C3˜C6 cycloalkyl, piperidyl; or a C1˜C6 alkyl substituted by an amino; R
3
is H, a C1˜C3 alkyl, or a C1˜C6 alkyl substituted by an amino; R
4
is H, a hydroxyl, or a C1˜C6 alkoxy; R
5
is H, or a C1˜C6 alkoxyl; or R
4
and R
5
are linked to each other to form —OCH
2
O— or —OCH
2
CH
2
O—. The compound has good anti-tumor activity, and can be clinically used via oral administration, intravenous injection, and intramuscular injection, among others.