4(3H)-pteridinone compounds
US5270465A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 3, 1992 |
| Grant date | Dec 14, 1993 |
| Priority date | — |
| Expiry date | Nov 3, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D475/02
- WIPO fieldOrganic fine chemistry
- 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.