Process for the manufacture of crystalline quinolinium salts and their oxidation to 1-alkyl-2-quinolones
US5260442A · kind A · utility
2Cited by
23References
1Claims
0Family size
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Key dates
| Filing date | Dec 5, 1991 |
| Grant date | Nov 9, 1993 |
| Priority date | — |
| Expiry date | Dec 5, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D405/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention concerns quinolinium salt intermediates of the formula I ##STR1## and processes for their manufacture; and their use in the manufacture of aryloxymethyl-substituted 1-alkyl-2-quinolone derivatives which are 5-lipoxygenase inhibitors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.