发明公开
EP1043324A4 PURINE DERIVATIVES AND MEDICINE CONTAINING THE SAME AS THE ACTIVE INGREDIENT
有权
嘌呤衍生物和药物，它们作为活性成分配合
- 专利标题： PURINE DERIVATIVES AND MEDICINE CONTAINING THE SAME AS THE ACTIVE INGREDIENT
- 专利标题（中）： 嘌呤衍生物和药物，它们作为活性成分配合
-
申请号： EP98953025申请日： 1998-11-12
-
公开(公告)号： EP1043324A4公开(公告)日： 2001-08-29
- 发明人: TANAKA TOSHIHIKO , IWASHITA EIICHIROU , TARAO AKIKO , AMENOMORI AKIRA , ONO YUYA
- 申请人： MITSUBISHI CHEM CORP
- 专利权人： MITSUBISHI CHEM CORP
- 当前专利权人： MITSUBISHI CHEM CORP
- 优先权： JP31036597 1997-11-12
- 主分类号： C07D473/30
- IPC分类号： C07D473/30 ; C07D473/00 ; A61K31/52 ; A61P11/06 ; C07D239/42 ; C07D239/48 ; C07D239/50 ; C07D473/06 ; C07D473/16 ; C07D473/18 ; C07D473/20 ; C07D473/28 ; C07D473/32 ; C07D473/34 ; C07D473/36 ; C07D473/40
摘要：
Purine derivatives represented by general formula (I) or salts thereof, useful as the active ingredient of medicines such as antasthmatic, wherein R1 represents C¿1?-C4 alkyl or difluoromethyl; R?2¿ represents tetrahydrofuranyl, C¿1?-C7 alkyl, etc.; X represents hydrogen, halogeno or nitro; and A represents a group represented by general formula (II) or (III), wherein R?3¿ represents hydrogen, halogeno, etc.; and R?4 and R5¿ represent each hydrogen, halogeno, C¿1?-C4 alkyl, C1-C4 alkoxy, etc.
信息查询
