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    • 2. 发明申请
    • NOVEL ACID PYRAZOLE AND PYRAZOLONE DERIVATIVES FOR USE AS ENDOTHELIN RECEPTOR ANTAGONISTS
    • 用作内皮素受体拮抗剂的新型吡咯和吡唑啉酮衍生物
    • WO1996012706A1
    • 1996-05-02
    • PCT/FR1995001386
    • 1995-10-20
    • ROUSSEL UCLAFFORTIN, MichelZHANG, Jidong
    • ROUSSEL UCLAF
    • C07D231/20
    • C07D405/06C07D231/22
    • Products of formula (I) wherein R1 and R2 are hydrogen or optionally substituted alkyl, aryl, arylalkyl or alkylaryl, R3, R4 and R5 are keto, -(CH2)n-R6, -CH=CH-(CH2)n-R6 or -C &cir& C-(CH2)n-R6, where n is 0-4 and R6 is hydroxyl, a lkoxy and aryloxy, alkylthio, arylthio, carboxy, cyano, alkyl, aryl, amino, mono- or dialkylamino, acylamino, and (a), -(NH)m-SO2-W, where m is 0 or 1, W is -NH-R7, (b), (c), (d) or -R7, R7 is hydrogen, alkyl or aryl and R8 is R7 except for hydrogen, or one of R3, R4 and R5 is hydrogen, and all the possible isomeric forms of the products of formula (I), are disclosed.
    • 式(I)的产物,其中R 1和R 2是氢或任选取代的烷基,芳基,芳基烷基或烷基芳基,R 3,R 4和R 5是酮, - (CH 2)n -R 6,-CH = CH-(CH 2)n -R 6 或-C(C 1 -C 6 - ) - (CH 2)n -R 6,其中n为0-4且R 6为羟基,烷氧基和芳氧基,烷硫基,芳硫基,羧基,氰基,烷基,芳基,氨基,单或二烷基氨基,酰氨基, 和(a), - (NH)m -SO 2 -W,其中m为0或1,W为-NH-R7,(b),(c),(d)或-R7,R7为氢,烷基或 芳基和R 8为R 7,除了氢,或者R 3,R 4和R 5中的一个为氢,并且公开了式(I)的产物的所有可能的异构形式。