Patent · US Expired

4(3H)-pteridinone compounds

US5270465A · kind A · utility

2Cited by
11References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 3, 1992
Grant dateDec 14, 1993
Priority date
Expiry dateNov 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.