Substituted 2-(5-hydroxy-2-methyl-1H-indole-3-yl)acetic acids and ethers thereof and the use of same to treat viral diseases
US8481587B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Nov 27, 2009 |
| Grant date | Jul 9, 2013 |
| Priority date | — |
| Expiry date | Apr 29, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D409/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to novel substituted 2-(5-hydroxy-2-methyl-1H-indol-3-yl)acetic acids, to novel antiviral active ingredients, pharmaceutical compositions, antiviral medicaments, methods for prophylaxis and treatment of viral diseases particularly caused by influenza viruses and infectious hepatisis C (HCV) viruses.Novel substituted 2-(5-hydroxy-2-methyl-1H-indol-3-yl)acetic acids, their esters of the general formula 1 and pharmaceutically acceptable salts and/or hydrates thereof have been disclosedwherein: R1 represents amino group substituent selected from hydrogen, optionally substituted C1-C5 alkyl, acyl or sulfonyl; R2 and R4 independently of each other represent alkyl substituent selected from hydrogen, halogen, optionally substituted C1-C3 alkyl, optionally substituted hydroxyl, optionally substituted amino group, optionally substituted aminomethyl, substituted mercapto group; R3 represents hydrogen, optionally substituted lower C1-C5 alkyl; R5 represents cyclic system substituent selected from hydrogen, fluorine, trifluoromethyl, carboxy group, alkyloxycarbonyl, possibly substituted aryl, heterocyclyl, optionally substituted aminomethyl, cyano group; R6 represe…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.