申请人:Tsumura Juntendo, Inc.
公开号:US05234951A1
公开(公告)日:1993-08-10
The present invention relates to an anti-ulcer agent comprising a compound represented by the following general formula I as the effective ingredient, and a novel chalcone derivative included in the compound represented by this general formula I: ##STR1## wherein X and Y independently stand for a hydrogen atom or together form a single bond, R.sub.1 stands for a hydroxyl group, an acetoxy group, a carboxymethoxy group or a methoxycarbonylmethoxy group, R.sub.2 stands for a hydrogen atom, an isoprenyl group, isopentyl group or a propyl group, R.sub.3 stands for a hydroxyl group or a methoxy group, R.sub.4 stands for a hydrogen atom, a hydroxyl group or a methoxy group, R.sub.5 stands for a hydrogen atom, a hydroxyl group, a methoxy group or an isopentyl group, R.sub.6 stands for a hydroxyl group, a methoxy group or a carboxymethoxy group, and R.sub.7 stands for a hydrogen atom or a methoxy group.
本发明涉及一种抗溃疡剂,其包括以下通式I所表示的化合物作为有效成分,以及包含在该通式I所表示的化合物中的一种新的查尔酮衍生物:
其中,X和Y独立地代表氢原子或共同形成单键,R1代表羟基、乙酰氧基、羧甲氧基或甲氧羰基甲氧基,R2代表氢原子、异戊烯基、异戊基或丙基,R3代表羟基或甲氧基,R4代表氢原子、羟基或甲氧基,R5代表氢原子、羟基、甲氧基或异戊基,R6代表羟基、甲氧基或羧甲氧基,R7代表氢原子或甲氧基。