Halichondrins
US5786492A · kind A · utility
20Cited by
0References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 1997 |
| Grant date | Jul 28, 1998 |
| Priority date | — |
| Expiry date | Jul 29, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12P17/181
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Halichondrin derivatives, isolatable from a marine sponge of the Lissodendoryx Sp., have cytotoxic preparations and are of the formula: ##STR1## wherein R.sup.1 and R.sup.2 together form a spiro attached ring system selected from the group consisting of: ##STR2##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.