Process for production of 5-alkyl tetramic acids
    2.
    发明授权
    Process for production of 5-alkyl tetramic acids 失效
    5-烷基四酸的制备方法

    公开(公告)号:US5008402A

    公开(公告)日:1991-04-16

    申请号:US497718

    申请日:1990-03-22

    申请人: Thomas Meul

    发明人: Thomas Meul

    IPC分类号: C07D207/36 C07D207/38

    CPC分类号: C07D207/38 Y10S530/86

    摘要: A process for the production of 5-alkyl tetramic acids from 4-alkoxy-3-pyrrolin-2-ones and aldehydes or ketones. By basic catalysis, 5-alkylidene-4-alkoxy-3-pyrrolin-2-ones are first formed, which are converted into the target compounds by cleavage of the alkoxy group and catalytic hydrogenation.

    Novel renin inhibitory amino acid derivatives
    7.
    发明授权
    Novel renin inhibitory amino acid derivatives 失效
    新型肾素抑制性氨基酸衍生物

    公开(公告)号:US4857650A

    公开(公告)日:1989-08-15

    申请号:US879741

    申请日:1986-06-27

    摘要: New renin inhibitory amino acid derivatives represented by formula (I): ##STR1## wherein A represents an alkoxycarbonyl group having 2 to 7 carbon atoms, ##STR2## wherein R.sup.1 and R.sup.2 are defined as in the specification below or ##STR3## wherein X and Y are defined as in the specification herein below, n represents zero or one, Z represents --O-- or --NH--, and R represents a straight- or branched chain alkyl group having 1 to 7 carbon atoms, and pharmaceutically acceptable salts thereof, useful as a therapeutic agent are disclosed. The amino acid derivatives have a renin inhibitory effect when administered orally and are useful for treatment of hypertension, especially renin-associated hypertension.

    摘要翻译: 由式(I)表示的新的肾素抑制性氨基酸衍生物:其中A表示碳原子数2〜7的烷氧基羰基,其中R1和R2如下面的说明书所定义, 其中X和Y如下面的说明书中所定义,n表示0或1,Z表示-O-或-NH-,R表示具有1至7个碳原子的直链或支链烷基, 公开了可用作治疗剂的盐。 当口服给药时,氨基酸衍生物具有肾素抑制作用,可用于治疗高血压,特别是肾素相关性高血压。