申请人:KYOWA HAKKO KOGYO CO., LTD.
公开号:EP0556720A1
公开(公告)日:1993-08-25
5-Aminoflavone derivative represented by the formula:
wherein R¹, R², R³ and R⁴ are the same or different and represent hydrogen, substituted or unsubstituted lower alkyl, lower alkenyl, halogen-substituted or unsubstituted lower alkanoyl or lower alkoxycarbonyl; X¹, X², Y¹ and Y² are the same or different and represent hydrogen or halogen; provided that at least one of X¹ and X² represent halogen.
式中的 5-氨基黄酮衍生物:
其中 R¹、R²、R³ 和 R⁴ 相同或不同,代表氢、取代或未取代的低级烷基、低级烯基、卤素取代或未取代的低级烷酰基或低级烷氧羰基;X¹、X²、Y¹ 和 Y² 相同或不同,代表氢或卤素;条件是 X¹ 和 X² 中至少有一个代表卤素。