Piperazine derivatives and use as cysteine inhibitors
    1.
    发明授权
    Piperazine derivatives and use as cysteine inhibitors 失效
    哌嗪衍生物并用作半胱氨酸抑制剂

    公开(公告)号:US5935959A

    公开(公告)日:1999-08-10

    申请号:US983034

    申请日:1998-01-07

    CPC分类号: C07D303/48

    摘要: The present invention is directed to a compound of the following formula (I) inclusive of its salt ##STR1## �wherein R.sup.1 represents either carboxy which may be esterified or amidated carboxy which may be substituted; R.sup.2 represents hydrogen or lower alkyl and may be linked to R.sup.3 or R.sup.4 to form a ring; R.sup.3 and R.sup.4 may be the same or different and each represents hydrogen, lower alkyl which may be substituted, or a sulfide group which may be substituted, and R.sup.3 and R.sup.4 may conjoinedly form a ring; R.sup.5 represents a substituted phenyl group of formula (II) ##STR2## (wherein R.sup.6 represents halogen or alkoxy) or a substituted sulfonyl group of formula (III)--SO.sub.2 --R.sup.7 (III)(wherein R.sup.7 represents either aryl which may be substituted by lower alkyl or amino which may be substituted); n is to 0 or 1! and to a method for producing the same compound, which is useful for the treatment of cysteine protease-associated diseases.

    摘要翻译: PCT No.PCT / JP96 / 01884第 371日期:1998年1月7日 102(e)1998年1月7日PCT PCT 1996年7月4日PCT公布。 公开号WO97 / 03060 PCT 日本1997年1月30日本发明涉及下述式(I)的化合物,其中包括其盐[其中R 1表示可以被酯化或酰胺化的羧基的羧基; R 2表示氢或低级烷基,并且可以与R 3或R 4连接形成环; R 3和R 4可以相同或不同,各自表示氢,可被取代的低级烷基或可被取代的硫基,R3和R4可以结合形成环; R 5表示式(II)的取代苯基(其中R 6表示卤素或烷氧基)或式(III)-SO 2 -R 7(III)的取代磺酰基(其中R 7表示可被低级烷基取代的芳基或 可以被取代的氨基); n为0或1]以及可用于治疗半胱氨酸蛋白酶相关疾病的相同化合物的制备方法。