申请人:Kyowa Hakko Kogyo Co., Ltd.
公开号:US05670498A1
公开(公告)日:1997-09-23
Disclosed are xanthine derivatives represented by the following Formula (I): ##STR1## in which R.sup.1, R.sup.2, and R.sup.3 independently represent hydrogen or lower alkyl; Q.sup.1, Q.sup.2, and Q.sup.3 independently represent hydrogen, lower alkyl, lower alkoxy, or halogen; and X represents --COR.sup.4 (in which R.sup.4 represents hydrogen, hydroxy, lower alkyl, or lower alkoxy) or --SO.sub.2 R.sub.5 in which R.sup.5 represents hydroxy, lower alkoxy, trifluoromethyl, ##STR2## in which R.sup.6 and R.sup.7 independently represent hydrogen, hydroxy-substituted or unsubstituted lower alkyl, aryl, or ##STR3## (in which m represents an integer of 1 to 3; and R.sup.8 and R.sup.9 independently represent hydrogen or lower alkyl), or ##STR4## (in which Y represents a single bond, oxygen, or N--R.sup.10 in which R.sup.10 represents hydrogen or lower alkyl; and n1 and n2 independently represent an integer of 1 to 3)}, and pharmaceutically acceptable salts thereof.
本发明涉及一种黄嘌呤衍生物,其化学式如下(I):##STR1## 其中R.sup.1、R.sup.2和R.sup.3独立地表示氢或低碳基;Q.sup.1、Q.sup.2和Q.sup.3独立地表示氢、低碳基、低烷氧基或卤素;X表示--COR.sup.4(其中R.sup.4表示氢、羟基、低碳基或低烷氧基)或--SO.sub.2R.sub.5 其中R.sup.5表示羟基、低烷氧基、三氟甲基、##STR2## 其中R.sup.6和R.sup.7独立地表示氢、羟基取代或未取代的低碳基、芳基或##STR3## (其中m表示1至3的整数;R.sup.8和R.sup.9独立地表示氢或低碳基),或##STR4## (其中Y表示单键、氧或N--R.sup.10,其中R.sup.10表示氢或低碳基;n1和n2独立地表示1至3的整数)以及其药学上可接受的盐。