Xanthine derivatives
    4.
    发明授权
    Xanthine derivatives 失效
    黄嘌呤衍生物

    公开(公告)号:US5290782A

    公开(公告)日:1994-03-01

    申请号:US839690

    申请日:1992-02-24

    摘要: Novel xanthine compounds represented by the following formula: ##STR1## wherein each of X.sup.1 and X.sup.2 independently represents oxygen or sulfur; and Q represents; ##STR2## where ----- represents a single bond or a double bond; Y represents a single bond or alkylene, n represents 0 or 1, each of W.sup.1 and W.sup.2 independently represents hydrogen, lower alkyl or amino, Z represents --CH.sub.2 -, --O--, --S-- or --NH--; represents ##STR3## each of R.sup.1 and R.sup.2 independently represents hydrogen, lower alkyl, allyl or propargyl; and R.sup.3 represents hydrogen or lower alkyl, and when Q represents the groups other than ##STR4## each of R.sup.1, R.sup.2 and R.sup.3 independently represents hydrogen or lower alkyl;provided that when Q is ##STR5## then R.sup.1 R.sup.2 and R.sup.3 are notsimultaneously methyl; and pharmaceutically acceptable salts thereof have a diuretic effect, a renal-protecting effect and a bronchodilatory effect.

    摘要翻译: 由下式表示的新型黄嘌呤化合物:其中X1和X2各自独立地表示氧或硫; 和Q表示; 其中-----表示单键或双键; Y表示单键或亚烷基,n表示0或1,W1和W2各自独立地表示氢,低级烷基或氨基,Z表示-CH2 - , - O - , - S-或-NH-。 R1和R2各自表示氢,低级烷基,烯丙基或炔丙基; 且R 3表示氢或低级烷基,并且当Q表示除R1之外的基团时,R 1,R 2和R 3各自独立地表示氢或低级烷基; 条件是当Q为时,则R1 + L,R2和R3不同时为甲基; 及其药学上可接受的盐具有利尿作用,肾脏保护作用和支气管扩张作用。

    Xanthine derivatives
    6.
    发明授权
    Xanthine derivatives 失效
    黄嘌呤衍生物

    公开(公告)号:US5342841A

    公开(公告)日:1994-08-30

    申请号:US29069

    申请日:1993-03-10

    CPC分类号: C07D473/06

    摘要: A xanthine derivative of the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and are substituted or unsubstituted alicyclic alkyl; m1 and m2 are the same or different and represent an integer of 0 to 2; and Q represents ##STR2## (in which R.sup.3 and R.sup.4 are the same or different and are substituted or unsubstituted alicyclic alkyl) or ##STR3## (in which n is 0 or 1, and Y is a single bond or alkylene); or a pharmaceutically acceptable salt thereof is disclosed.This derivative has diuretic activity and renal protecting activity.

    摘要翻译: 式(I)的黄嘌呤衍生物:其中R1和R2相同或不同,为取代或未取代的脂环族烷基; m1和m2相同或不同,表示0〜2的整数。 和Q表示(其中R 3和R 4相同或不同,是取代或未取代的脂环族烷基)或(其中n为0或1,Y为单键或亚烷基)。 或其药学上可接受的盐。 该衍生物具有利尿活性和肾脏保护活性。

    8-substituted styryl xanthine derivatives
    8.
    发明授权
    8-substituted styryl xanthine derivatives 失效
    8-取代的苯乙烯基黄嘌呤衍生物

    公开(公告)号:US5670498A

    公开(公告)日:1997-09-23

    申请号:US527497

    申请日:1995-09-13

    CPC分类号: C07D473/06

    摘要: 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.

    摘要翻译: 公开了由下式(I)表示的黄嘌呤衍生物:其中R 1,R 2和R 3独立地表示氢或低级烷基; Q1,Q2和Q3独立地表示氢,低级烷基,低级烷氧基或卤素; 或其中R 4表示氢,羟基,低级烷基或低级烷氧基)或-SO 2 R 5(其中R 5表示羟基,低级烷氧基,三氟甲基, 取代或未取代的低级烷基,芳基或者(其中m表示1〜3的整数; R 8和R 9分别表示氢或低级烷基),或者(其中Y表示单键,氧 ,或其中R 10表示氢或低级烷基的N-R 10,n1和n2独立地表示1〜3的整数)}及其药学上可接受的盐。

    Therapeutic agent for Parkinson's disease
    9.
    发明授权
    Therapeutic agent for Parkinson's disease 失效
    帕金森病治疗剂

    公开(公告)号:US5484920A

    公开(公告)日:1996-01-16

    申请号:US133510

    申请日:1993-10-07

    摘要: Agents for the treatment of Parkinson's disease contain, as an active ingredient, a xanthine derivative or a pharmaceutically acceptable salt thereof. The xanthine derivative is represented by the formula: ##STR1## in which R.sup.1, R.sup.2 are R.sup.3 are independently hydrogen, lower alkyl, lower alkenyl, or lower alkynyl; and R.sup.4 represents cycloalkyl, --(CH.sub.2).sub.n --R.sup.5 (in which R.sup.5 represents substituted or unsubstituted aryl or a substituted or unsubstituted heterocyclic group; and n is an integer of 0 to 4), or ##STR2## in which Y.sup.1 and Y.sup.2 represent independently hydrogen, halogen, or lower alkyl; and Z represents substituted or unsubstituted aryl, ##STR3## in which R.sup.6 represents hydrogen, hydroxy, lower alkyl, lower alkoxy, halogen, nitro, or amino; and m represents an integer of 1 to 4, or a substituted or unsubstituted heterocyclic group; and X.sup.1 and X.sup.2 represent independently O or S.

    摘要翻译: 用于治疗帕金森病的药物含有作为活性成分的黄嘌呤衍生物或其药学上可接受的盐。 黄嘌呤衍生物由下式表示:其中R 1,R 2为R 3独立地为氢,低级烷基,低级烯基或低级炔基; 并且R 4表示环烷基, - (CH 2)n -R 5(其中R 5表示取代或未取代的芳基或取代或未取代的杂环基; n为0至4的整数)或其中Y 1和Y 2表示 独立地是氢,卤素或低级烷基; Z表示取代或未取代的芳基,其中R 6表示氢,羟基,低级烷基,低级烷氧基,卤素,硝基或氨基; m表示1〜4的整数,或取代或未取代的杂环基; X1和X2独立地表示O或S.