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。