피리다지논 유도체와 그의 제조방법
    3.
    发明授权
    피리다지논 유도체와 그의 제조방법 失效
    吡咯烷酮衍生物

    公开(公告)号:KR1019930011304B1

    公开(公告)日:1993-11-29

    申请号:KR1019900020229

    申请日:1990-12-10

    Abstract: Ryridazinone derivatives of formula (I) are new. In formula (I), R1= methyl, hydroxymethyl, nitrosylmethyl, monohalomethyl, dihalomethyl or trihalomethyl; X,Y=H, nitro, cyano, -NHCOR3 or - NHSO2R4 (R3,R4= C1-6 alkyl, substituted phenyl or halogen-substd. alkyl); R2=H, C1-6 alkyl, branched alkyl, cyclic alkyl, alkene, alkyne or halogen-substd. alkyl, alkene, alkyne or phenyl-substd. alkyl, alkene, alkyne. Compounds (I) are useful as cardiotonics for enhancing contractile force of cardiac muscle and (I) have antihypertensive activities.

    Abstract translation: 式(I)的哒嗪酮衍生物是新的。 在式(I)中,R 1 =甲基,羟甲基,亚硝基甲基,单卤代甲基,二卤代甲基或三卤代甲基; X,Y = H,硝基,氰基,-NHCOR 3或-NHSO 2 R 4(R 3,R 4 = C 1-6烷基,取代的苯基或卤素取代的烷基); R2 = H,C1-6烷基,支链烷基,环烷基,烯烃,炔烃或卤素取代基。 烷基,烯烃,炔或苯基。 烷基,烯烃,炔烃。 化合物(I)可用作增强心肌收缩力的强心剂,(I)具有抗高血压活性。

    벤조피란 유도체와 그의 제조방법(1)
    6.
    发明授权
    벤조피란 유도체와 그의 제조방법(1) 失效
    苯并吡喃衍生物及其制备方法

    公开(公告)号:KR1019950009862B1

    公开(公告)日:1995-08-29

    申请号:KR1019910024352

    申请日:1991-12-26

    CPC classification number: C07D405/04 C07D405/14

    Abstract: Benzopyran derivatives of formula (I) are prepd. by (a) reacting the epoxy cpd. of formula (II) with a nucleophilic agent contg. cpd. to prepare the alcohol dervs. of formula (III), in the presence of a base; (b) dehydration reacting the cpd. (III) in the presence of a base. In the formulas, R1 is -CN, -NO2, OCX1X2X3 or -SO2Rc; X1, X2 and X3 are eachly F, Cl or H; Rc is H, C1-6 alkyl or opt. satd. phenyl where satd. gp. is halogen, or straight or branched C1-3 alkyl. The obptd. benzopyran dervs. are useful for curing hypertension.

    Abstract translation: 式(I)的苯并吡喃衍生物是制备的。 通过(a)使环氧树脂cpd反应。 的式(II)与亲核剂 CPD。 准备酒精dervs。 在式(III)的存在下, (b)使cpd反应脱水。 (III)在碱的存在下。 式中,R 1为-CN,-NO 2,OCX 1 X 2 X 3或-SO 2 R c; X1,X2和X3分别为F,Cl或H; Rc是H,C 1-6烷基或选择。 饱和。 苯基,其中satd GP。 是卤素,或直链或支链C 1-3烷基。 绝对的 苯并吡喃衍生物 可用于治疗高血压。

Patent Agency Ranking