Camptothecin analogue compounds
US6509345B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2001 |
| Grant date | Jan 21, 2003 |
| Priority date | — |
| Expiry date | Nov 5, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compound of formula (I): wherein:n is 0, 1 or 2,R1, R2, R3, R4 and R5 are selected from hydrogen, halogen, alkyl, alkenyl, alkynyl, perhaloalkyl, cycloalkyl, cycloalkylalkyl, hydroxy, hydroxyalkyl, alkoxy, alkoxyalkyl, alkoxycarbonyl, acyloxy, carboxy, nitro, cyano, aminocarbonyl (optionally substituted), and the groups (CH2)p—NRaRb and —O—C(O)—N—RaRb, with p, Ra and Rb being as defined in the description, or two adjacent groups R2, R3, R4 and R5 together form a group —O—(CH2)t—O, t being an integer from 1 to 3,R60, R70n, R80 and R90 represent a hydrogen atom, a hydroxy group, an alkoxy group, or an O—(CO)—X or O—(CO)—NXW group as defined in the description,R61, R71n, R81 and R91 represent a hydrogen atom, alkyl, alkenyl or alkynyl, or taken in pairs together form a bond or an oxirane group, or two groups together form an oxo group.and medicinal products containing the same are useful for the treatment of cancerous diseases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.