4(3H)-pteridinones, preparation processes and drugs containing them
US5167949A · kind A · utility
35Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1990 |
| Grant date | Dec 1, 1992 |
| Priority date | — |
| Expiry date | Mar 29, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P37/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to 4(3H)-pteridinones represented by the formula: ##STR1## in which X is an oxygen atom or a sulphur atom, Y is a hydrogen atom, a lower alkyl radical, especially a methyl radical, at the 6-position or a hydroxyl group at the 7-position, R.sub.1 is a hydrogen atom, a lower alkyl radical, a substituted or unsubstituted phenyl radical, a benzyl radical, a methoxymethyl group, an acetyl group, a 2-acetoxyethyl group or a 2,2,2-trifluoroethyl group and R.sub.2 is a hydrogen atom or a lower alkyl radical, especially a methyl radical. Application of these compounds as anti-allergic drugs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.