Polyfluorinated aromatic or heterocyclic derivatives with sulphurpentalfluoride group(s)
US6806388B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2002 |
| Grant date | Oct 19, 2004 |
| Priority date | — |
| Expiry date | Nov 15, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C381/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention provides polyfluorinated aromatic or heterocyclic compounds comprising at least three ring substituents, at least one of which comprises a sulfurpentafluoride group and at least one of which comprises a labile group; methods for their preparation are also disclosed. Preferably, the compounds comprise either two sulfurpentafluoride groups or one sulfurpentafluoride group and one other polyfluorinated group, such as a trifluoromethyl group. Said labile group preferably comprises an amino, bromo or nitro group. Said compounds are useful in the preparation of medicaments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.