申请人:Lipha, Lyonnaise Industrille Pharmaceutique
公开号:US05270465A1
公开(公告)日:1993-12-14
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.
本发明涉及由以下式表示的4(3H)-喹嗪酮:##STR1##
其中,X是氧原子或硫原子,Y是氢原子,低碳基,特别是甲基基团,在6位或7位处是羟基基团,R1是氢原子,低碳基,取代或未取代的苯基基团,苄基基团,甲氧基甲基基团,乙酰基基团,2-乙酰氧乙基基团或2,2,2-三氟乙基基团,R2是氢原子或低碳基,特别是甲基基团。这些化合物的应用作为抗过敏药物。