Tricyclic compounds
US6268520A · kind A · utility
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1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 1999 |
| Grant date | Jul 31, 2001 |
| Priority date | — |
| Expiry date | Apr 5, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel tricyclic compounds of formula I as defined in the specification, a process for their preparation and their use for the preparation of optically active or racemic colchicine and thiocolchicine derivatives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.