Thiadiazinone derivatives
    1.
    发明授权
    Thiadiazinone derivatives 失效
    噻二嗪酮衍生物

    公开(公告)号:US5567699A

    公开(公告)日:1996-10-22

    申请号:US422916

    申请日:1995-04-17

    CPC分类号: C07D417/12

    摘要: This invention provides thiadiazinone derivatives represented by the following formula (I) ##STR1## wherein R.sup.1 represents a hydrogen atom or C.sub.1 -C.sub.5 alkyl, R.sup.2 represents a 5- or 6-membered heterocyclic ring having (a) 1-3 nitrogen atoms, (b) a oxygen atom, (c) one sulfur atom, (d) 1-3 nitrogen atoms and one oxygen atom, or (e) 1-3 nitrogen atoms and one sulfur atom each of which rings may optionally be substituted by at least one substituent selected from the group consisting of C.sub.1 -C.sub.5 alkyl, cyano, hydroxy, C.sub.1 -C.sub.5 alkoxy, amino, C.sub.1 -C.sub.5 alkylamino, C.sub.2 -C.sub.6 dialkylamino, C.sub.2 -C.sub.5 acylamino, carboxyl, C.sub.2 -C.sub.5 alkoxycarbonyl and carbamoyl; or a pharmaceutically acceptable salt thereof. The compounds according to the present invention have an excellent cardiotonic activity, and are useful as active ingredients of a cardiotonic drug.

    摘要翻译: 本发明提供由下式(I)表示的噻二嗪酮衍生物其中R 1表示氢原子或C 1 -C 5烷基,R 2表示具有(a)1-3氮原子的5-或6-元杂环 原子,(b)氧原子,(c)一个硫原子,(d)1-3个氮原子和一个氧原子,或(e)1-3个氮原子和一个硫原子,其中每个环可以任选地被取代 通过至少一个选自C 1 -C 5烷基,氰基,羟基,C 1 -C 5烷氧基,氨基,C 1 -C 5烷基氨基,C 2 -C 6二烷基氨基,C 2 -C 5酰基氨基,羧基,C 2 -C 5烷氧基羰基和氨基甲酰基 ; 或其药学上可接受的盐。 根据本发明的化合物具有优异的强心活性,可用作强心药物的活性成分。

    Process for preparing steroid-carboxylates
    2.
    发明授权
    Process for preparing steroid-carboxylates 失效
    类固醇羧酸盐的制备方法

    公开(公告)号:US4265816A

    公开(公告)日:1981-05-05

    申请号:US145693

    申请日:1980-05-01

    CPC分类号: C07J21/003 C07J51/00

    摘要: An alkali metal salt of a 3-(17.beta.-hydroxyandrosten-3-one 3-acetal-17.alpha.-yl)propiolic acid which is useful as an intermediate in the preparation of 3-(3-oxo-7.alpha.-acetylthio-17.beta.-hydroxyandrost-4-en-17.alpha.-yl)-propiolactone (spironolactone) as antialdosteronic diuretics and hypotensive agents is prepared by reacting a 17.beta.-hydroxypregnen-20-yn-3-one 3-acetal (I) with an alkali metal dimsyl (II) to give an alkali metal salt of the 17.beta.-hydroxypregnen-20-yn-3-one 3-acetal (III), and reacting the compound (III) with carbon dioxide followed by hydrolysis.

    摘要翻译: 3-(3-氧代-7α-乙酰基硫基)丙酸的3-(17β-羟基和3-酮-3-缩醛-17α-基)丙炔酸的碱金属盐,可用作中间体, 17β-羟基雄甾-4-烯-17α-基) - 丙内酯(螺内酯)作为抗增殖利尿剂和降血糖药是通过使17β-羟基孕烯-20-炔-3-酮3-缩醛(I)与 碱金属二甲基(II),得到17β-羟基孕烯-20-炔-3-酮3-缩醛(III)的碱金属盐,并使化合物(III)与二氧化碳反应,然后水解。