Rearrangement process and tricyclic and tetracyclic compounds
US6268510A · kind A · utility
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2Claims
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Key dates
| Filing date | Jul 6, 2000 |
| Grant date | Jul 31, 2001 |
| Priority date | — |
| Expiry date | Jul 6, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A rearrangement process for the preparation of a 6,5,5-tricyclic, a 6,6,5-tricyclic and 6,5,5,7-tetracyclic ring system is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.