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    Process for the preparation of 6-(substituted amino)-3-pyridazinylhydrazines and their salts
    1.
    发明授权
    Process for the preparation of 6-(substituted amino)-3-pyridazinylhydrazines and their salts 失效

    公开(公告)号：US4329457A

    公开(公告)日：1982-05-11

    申请号：US147224

    申请日：1980-05-06

    申请人： Geza Szilagyi ,  Peter Matyus ,  Endre Kasztreiner ,  Tibor Balogh ,  Lajos Ila

    发明人： Geza Szilagyi ,  Peter Matyus ,  Endre Kasztreiner ,  Tibor Balogh ,  Lajos Ila

    IPC分类号： A61K31/50 ,  A61P9/12 ,  C07D237/20 ,  C07D413/02

    CPC分类号： C07D237/20

    摘要： The invention relates to a novel process for the preparation of 6-(substituted amino)-3-pyridazinylhydrazines having the general formula I ##STR1## and their pharmaceutically acceptable acid addition salts, wherein R.sup.1 stands for hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms;R.sup.2 and R.sup.3 may be the same or different and stand for alkyl groups containing from 1 to 6 carbon atoms, alkenyl groups containing from 2 to 6 carbon atoms, hydroxyalkyl groups containing from 2 to 4 carbon atoms, cycloalkyl groups containing from 3 to 8 carbon atoms, phenyl or benzyl groups or phenyl, benzyl or phenylethyl groups containing one or two halogen atoms, nitro, methoxy or hydroxyl groups, and one of R.sup.2 and R.sup.3 may stand also for a hydrogen atom, or R.sup.2 and R.sup.3 together with the neighboring nitrogen atom may build up also a morpholino, pyrrolidino, piperidino, heptamethyleneimino or N-methylpiperazino group.The process consists in that a compound having the general formula II ##STR2## wherein R.sup.1 is as defined above, R.sup.4 stands for a chlorine or bromine atom or methylthio group, while A stands for a 1,7,7-trimethyl-2-bicyclo(2,2,1)heptylidene or a benzylidene group substituted by an R.sup.5 group, wherein R.sup.5 stands for hydrogen, chlorine or bromine atom, or a methoxy, nitro or methylsulphonyl group - is reacted with an amine having the general formula IIIR.sup.2 R.sup.3 NH (III)wherein R.sup.2 and R.sup.3 are as defined above - and the compound thus obtained having the general formula IV ##STR3## wherein R.sup.1, R.sup.2, R.sup.3 and A are as defined above - is subjected to acidic hydrolysis.The 6-(substituted amino)-3-pyridazinylhydrazines having the general formula I and prepared by the novel process of invention, possess a significant hypotensive effect as well as they are used as starting materials for the preparation of 6-(substituted amino)-3-pyridazinylhydrazines having a very significant hypotensive action.

    Compositions with potentiated hypotensive effects
    3.
    发明授权
    Compositions with potentiated hypotensive effects 失效
    具有强化降压作用的组合物

    公开(公告)号：US4287194A

    公开(公告)日：1981-09-01

    申请号：US55263

    申请日：1979-07-06

    申请人： Edit Kosa ,  Janos Borvendeg ,  Zsuzsanna Huszti ,  Judit Kosary ,  Geza Szilagyi ,  Laszlo Tardos ,  Endre Kasztreiner ,  Laszlo Nagy ,  Erzsebet Szuucs ,  Gabriella Kiss

    发明人： Edit Kosa ,  Janos Borvendeg ,  Zsuzsanna Huszti ,  Judit Kosary ,  Geza Szilagyi ,  Laszlo Tardos ,  Endre Kasztreiner ,  Laszlo Nagy ,  Erzsebet Szuucs ,  Gabriella Kiss

    IPC分类号： A61K31/13 ,  A61K31/135 ,  A61K31/165 ,  A61K31/40 ,  A61K31/50 ,  A61K31/535 ,  A61P9/12 ,  A61K31/235 ,  A61K31/495

    CPC分类号： A61K31/50 ,  A61K31/40

    摘要： A pharmaceutical compositions with hypotensive effects which comprise a compound of formula (I) or a pharmaceutically acceptable acid addition salt thereof, ##STR1## wherein R.sup.1 is formula (II) ##STR2## wherein R.sup.4 and R.sup.5 each represent hydrogen, hydroxy, nitro at the same timeR.sup.2 and R.sup.3 are hydrogen, orR.sup.1 are 3-chloro-6-pyridazinylamino, 3-methyl-6-pyridazinylamino or 3-carbamoyl-6-pyridazinylamino, and at the same timeR.sup.2 and R.sup.3 form together formula (III), ##STR3## wherein R.sup.6 is C.sub.1-4 alkyl group,R.sup.7 is hydrogen or a C.sub.1-4 alkyl group, andn is an integer of 1 to 3, orR.sup.2 and R.sup.3 form together a group of the general formula (IV),=Q-R.sup.8 (IV)whereinQ is C.sub.5-7 cycloaliphatic, andR.sup.8 is hydrogen, a C.sub.1-4 alkoxycarbonyl or a C.sub.2-4 alkyl,and a compound of formula (V) or a pharmaceutically acceptable acid addition salt thereof, ##STR4## wherein R.sup.9 is naphthyl, 4-indolyl or 4-morpholino-1,2,5-thiadiazol-3-yl group or ##STR5## .

    摘要翻译： 具有降血压作用的药物组合物，其包含式（I）化合物或其药学上可接受的酸加成盐，其中R 1为式（II）其中R 4和R 5各自表示氢 ，羟基，硝基，同时R2和R3是氢，或R1是3-氯-6-哒嗪基氨基，3-甲基-6-哒嗪基氨基或3-氨基甲酰基-6-哒嗪基氨基，同时R2和R3形成 （III），其中R6为C1-4烷基，R7为氢或C1-4烷基，n为1〜3的整数，或R2和R3一起形成基团 通式（IV）的化合物= Q-R8（Ⅳ）其中Q为C5-7环脂族基，R8为氢，C1-4烷氧基羰基或C2-4烷基，式（Ⅴ）化合物或式 （V）其中R 9为萘基，4-吲哚基或4-吗啉代-1,2,5-噻二唑-3-基或Ⅵ（VI）。

    3-(1-Pyrazolyl)-pyridazine derivatives
    4.
    发明授权
    3-(1-Pyrazolyl)-pyridazine derivatives 失效
    3-（1-吡唑基） - 哒嗪衍生物

    公开(公告)号：US4251658A

    公开(公告)日：1981-02-17

    申请号：US914084

    申请日：1978-06-09

    申请人： Geza Szilagyi ,  Endre Kasztreiner ,  Laszlo Tardos ,  Edit Kosa ,  Laszlo Jaszlits ,  Gyorgy Cseh ,  Andras Divald ,  Pal Tolnay ,  Sandor Elek ,  Istvan Elekes ,  Istvan Polgari

    发明人： Geza Szilagyi ,  Endre Kasztreiner ,  Laszlo Tardos ,  Edit Kosa ,  Laszlo Jaszlits ,  Gyorgy Cseh ,  Andras Divald ,  Pal Tolnay ,  Sandor Elek ,  Istvan Elekes ,  Istvan Polgari

    IPC分类号： C07D401/14 ,  A61K31/50 ,  A61K31/501 ,  A61P9/12 ,  A61P43/00 ,  C07D403/04 ,  C07D403/14 ,  C07D405/14

    CPC分类号： C07D403/04

    摘要： 3-(1-Pyrazolyl)-pyridazine derivatives of the formula I, or pharmaceutically acceptable acid addition salts thereof, which decrease high blood pressure and inhibit catabolism or prostaglandins, ##STR1## wherein R.sup.1 is hydrogen or C.sub.1-4 alkyl,R.sup.2 is hydrogen, cyano, carboxyl, carbamoyl, carbaxoyl or C.sub.1-4 alkoxycarbonyl,R.sup.3 is hydrogen or chlorine or --NR.sup.4 NHR.sup.5 or NR.sup.6 R.sup.7, wherein R.sup.4 and R.sup.5 are each hydrogen or C.sub.1-4 alkyl, wherein R.sup.6 and R.sup.7 are each hydrogen or C.sub.1-5 alkyl, C.sub.1-5 hydroxyalkyl, C.sub.3-7 cycloalkyl, phenyl or benzyl, or benzyl or phenylethyl substituted with one or two chlorine atoms or methoxy groups, or a furylmethyl, pyridylmethyl, pyrrolidine or piperazine ring, or when R.sup.7 is hydrogen, R.sup.6 is --(CH.sub.2).sub.n --NR.sup.4 R.sup.5 wherein n is an integer from 1 to 3.

    摘要翻译： 降低高血压并抑制分解代谢或前列腺素的式I的3-（1-吡唑基） - 哒嗪衍生物或其药学上可接受的酸加成盐，其中R 1是氢或C 1-4烷基， R2是氢，氰基，羧基，氨基甲酰基，碳酰基或C1-4烷氧基羰基，R3是氢或氯或-NR4NHR5或NR6R7，其中R4和R5分别是氢或C1-4烷基，其中R6和R7各自是氢或C1 或烷基，C 1-5羟基烷基，C 3-7环烷基，苯基或苄基，或被一个或两个氯原子或甲氧基取代的苄基或苯乙基，或呋喃基甲基，吡啶基甲基，吡咯烷或哌嗪环，或者当R7为氢时， R 6为 - （CH 2）n -NR 4 R 5，其中n为1至3的整数。

    3-(1-Pyrazolyl)-pyridazine derivatives and hypotensive compositions thereof
    5.
    发明授权
    3-(1-Pyrazolyl)-pyridazine derivatives and hypotensive compositions thereof 失效
    3-（1-吡唑基） - 哒嗪衍生物及其低血压组合物

    公开(公告)号：US4224325A

    公开(公告)日：1980-09-23

    申请号：US923623

    申请日：1978-07-11

    申请人： Geza Szilagyi ,  Endre Kasztreiner ,  Laszlo Tardos ,  Edit Kosa ,  Laszlo Jaszlits ,  Gyorgy Cseh ,  Ilona Kovacs, nee Szabo ,  Pal Tolnay ,  Sandor Elek ,  Istvan Elekes ,  Istvan Polgari

    发明人： Geza Szilagyi ,  Endre Kasztreiner ,  Laszlo Tardos ,  Edit Kosa ,  Laszlo Jaszlits ,  Gyorgy Cseh ,  Ilona Kovacs, nee Szabo ,  Pal Tolnay ,  Sandor Elek ,  Istvan Elekes ,  Istvan Polgari

    IPC分类号： C07D403/04 ,  A61K31/50 ,  A61K31/501 ,  A61P9/12 ,  A61P43/00 ,  C07D403/14 ,  C07D521/00 ,  A61K31/535 ,  C07D413/14

    CPC分类号： C07D231/12 ,  C07D233/56 ,  C07D249/08

    摘要： The invention relates to compounds of general formula ##STR1## wherein R.sup.1 stands for a hydrogen atom or a C.sub.1-6 alkyl-, a C.sub.2-4 hydroxyalkyl, a C.sub.3-6 cycloalkyl or a phenyl group,R.sup.2 stands for a hydrogen, fluorine, chlorine or bromine atom or a C.sub.1-6 alkyl, a C.sub.2-4 hydroxyalkyl, a nitro or an --NR.sup.5 R.sup.6 group, wherein R.sup.5 and R.sup.6 may have the same or different meaning and stand each for a hydrogen atom or a C.sub.1-4 alkyl or a C.sub.2-4 hydroxyalkyl group,R.sup.3 stands for a hydrogen atom or a C.sub.1-6 alkyl, a C.sub.2-4 hydroxyalkyl, a C.sub.3-6 cycloalkyl or a phenyl group, a chlorine atom or a hydroxyl, amino or methoxy group,R.sup.4 stands for a carbamoyl, a cyano or an --NR.sup.7 --NHR.sup.8 group, wherein R.sup.7 and R.sup.8 may have the same or different meaning and stand each for a hydrogen atom or a C.sub.1-4 alkyl, a C.sub.2-4 hydroxyalkyl, a C.sub.1-4 alkoxycarbonyl or an --NR.sup.9 R.sup.10 group, wherein R.sup.9 and R.sup.10 may have the same or different meaning and stand each for a hydrogen atom or a C.sub.1-5 alkyl, a C.sub.2-4 hydroxyalkyl, a C.sub.3-6 cycloalkyl, a phenyl or a benzyl group, or --NR.sup.9 R.sup.10 may represent a morpholine, piperidine or piperazine ring,and their pharmaceutically acceptable acid-addition salts. Furthermore, the invention relates to a process for preparing these compounds.The novel compounds of general formula I have valuable pharmacological properties. Thus they show a considerable hypotensive effect and are capable to inhibit enzymes regulating the catabolism of prostaglandins.

    摘要翻译： 本发明涉及通式为“IMAGE”的化合物，其中R1代表氢原子或C1-6烷基，C2-4羟基烷基，C3-6环烷基或苯基，R2代表氢，氟， 氯或溴原子或C 1-6烷基，C 2-4羟基烷基，硝基或-NR 5 R 6基团，其中R 5和R 6可以具有相同或不同的含义，并且各自代表氢原子或C 1-4烷基或 C2-4羟基烷基，R3代表氢原子或C1-6烷基，C2-4羟烷基，C3-6环烷基或苯基，氯原子或羟基，氨基或甲氧基，R4代表 对于氨基甲酰基，氰基或-NR 7 -NHR 8基团，其中R 7和R 8可以具有相同或不同的含义，各自代表氢原子或C 1-4烷基，C 2-4羟烷基，C 1-4烷氧基羰基 或-NR 9 R 10基团，其中R 9和R 10可以具有相同或不同的含义，并且各自表示氢原子或C 1-5烷基，C 2-4的羟基烷基，C 3-6环烷基，苯基或苯基 或-NR9R10可以表示吗啉，哌啶或哌嗪环及其药学上可接受的酸加成盐。 此外，本发明涉及一种制备这些化合物的方法。 通式Ⅰ的新化合物具有有价值的药理学性质。 因此，它们显示出相当的降血压作用，并且能够抑制调节前列腺素分解代谢的酶。