Pyrazoloacridone derivatives
    5.
    发明授权
    Pyrazoloacridone derivatives 失效
    吡咯烷酮衍生物

    公开(公告)号:US5220026A

    公开(公告)日:1993-06-15

    申请号:US793522

    申请日:1991-11-18

    CPC分类号: C07D471/06

    摘要: Disclosed is pyrazoloacridone derivatives represented by formula (I): ##STR1## wherein: each of R.sup.1a, R.sup.1b, R.sup.1c and R.sup.1d independently represents hydrogen, lower alkyl, --(CH.sub.2).sub.p --Xwherein p represents an integer of 1 to 6, and X represents hydroxy, lower alkoxy or --NR.sup.2a R.sup.2bwherein each of R.sup.2a and R.sup.2b independently represents hydrogen, lower alkyl, or --(CH.sub.2).sub.m --Ywherein m represents an integer of 1 to 6, and Y represents hydroxy, lower alkoxy or --NR.sup.3a R.sup.3bwherein each of R.sup.3a and R.sup.3b independently represents hydrogen or lower alkylor --CH[(CH.sub.2).sub.n OH].sub.2wherein n represents an integer of 1 to 5; or a pharmaceutically acceptable salt thereof.

    Glutathione monoester sulfonate
    6.
    发明授权
    Glutathione monoester sulfonate 失效
    谷胱甘肽单酯磺酸盐

    公开(公告)号:US5756823A

    公开(公告)日:1998-05-26

    申请号:US852256

    申请日:1997-05-06

    IPC分类号: C07K5/02 C07C323/41

    CPC分类号: C07K5/0215

    摘要: The present invention relates to glutathione monoester sulfonate represented by formula (I): ##STR1## (wherein R.sup.1 represent lower alkyl, and R.sup.2 represents lower alkyl, or substituted or unsubstituted aryl) which readily crystallizes and has high stability, and a simple process for producing the same. According to the process, the product having high purity can be obtained in high yields.

    摘要翻译: 本发明涉及由式(I)表示的谷胱甘肽单酯磺酸盐:其中R 1表示低级烷基,R 2表示低级烷基或取代或未取代的芳基,其易于结晶并具有高稳定性, 简单的生产过程。 根据该方法,可以高产率获得高纯度的产品。