Phenanthridine-N-oxides
US6630483B2 · kind B2 · utility
0Cited by
5References
8Claims
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Assignee
Inventor
Key dates
| Filing date | Jun 18, 2002 |
| Grant date | Oct 7, 2003 |
| Priority date | — |
| Expiry date | Jun 18, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
N-oxides of the compounds of formula (I) in which R1 is hydroxyl, 1-4C-alkoxy, 3-7C-cycloalkoxy, 3-7C-cycloalkylmethoxy or completely or predominantly fluorine-substituted 1-4C-alkoxy, R2 is hydroxyl, 1-4C-alkoxy, 3-7C-cycloalkoxy, 3-7C-cycloalkylmethoxy or completely or predominantly fluorine-substituted 1-4C-alkoxy, or in which R1 and R2 together are a 1-2C-alkylenedioxy group, R6 is an R7- and R8-substituted phenyl radical, they are active bronchial therapeutics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.