Flavilium compounds and method of using
US5753695A · kind A · utility
0Cited by
4References
1Claims
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Assignee
Inventors
Key dates
| Filing date | May 19, 1994 |
| Grant date | May 19, 1998 |
| Priority date | — |
| Expiry date | May 19, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D311/60
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a compound of formula (I) ##STR1## wherein X is a pharmacologically acceptable anion, PA1 R.sub.1 and R.sub.2 are independently of each other hydrogen, or an --OY group in which Y is hydrogen, an .alpha.-aminoacyl, or a C.sub.1-5 aminoalkyl residue, PA1 R.sub.3, R.sub.4 and R.sub.7 are independently of each other hydrogen, or a C.sub.1-5 alkyl residue PA1 R.sub.5 is hydrogen, and .alpha.-aminoacyl, or a C.sub.1-5 alkyl residue, and PA1 R.sub.6 is hydrogen, OH.sup.-, or a C.sub.1-5 alkyl residue, and pharmaceutically acceptable salts and esters thereof; and to condensation processes for preparing them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.