12,13-(pyranosyl)-indolo[2,3-a]pyrrolo[3,4-c]carbazole and 12,13-(pyranosyl)-furo[3,4-c]indolo[2,3-a]carbazoles
US6569858B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2001 |
| Grant date | May 27, 2003 |
| Priority date | — |
| Expiry date | Nov 5, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound selected from those of formula (I): wherein:R1 and R2, which may be identical or different, represent a group of formula U-V wherein U represents single bond, or alkylene which is optionally substituted and/or unsaturated, and V is as defined in the description,G represents oxygen, or NR3 wherein R3 is as defined in the description,X represents hydrogen, hydroxy, alkoxy, mercapto or alkylthio, Y represents hydrogen, or X+Y represents carbonyl,X1 represents hydrogen, hydroxy, alkoxy, mercapto or alkylthio, Y1 represents hydrogen, or X1+Y1 represents carbonyl,R4, R5, and R6 are as defined in the description,its isomers, and pharmaceutically-acceptable acid or base addition salts thereof, and medicinal products containing the same are useful in the treatment of cancer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.