PROCESS FOR PREPARING ISOXYZOLE DERIVATIVE

    公开(公告)号:KR820002229B1

    公开(公告)日:1982-12-03

    申请号:KR790002933

    申请日:1979-08-28

    Applicant: HOECHST AG

    Abstract: The antipyretic, analgesic and antiinflammatory compd. I was prepd. by the reaction of 4-trifluoromethylaniline II with 5-methylisoxazole-4-carboxylic acid derivatives III (X = halogen atom, YO or ZO-CO-O group, where, Y=phenyl substituted with fluorine, chlorine, bromine, Iodine, methoxy, ethoxy, nitro or cyano. Z=1-4 carbon number alkyl, phenyl or benzyl.

    PROCESS FOR ISOXAZOLE DERIVATIVES

    公开(公告)号:KR800001182B1

    公开(公告)日:1980-10-20

    申请号:KR770002797

    申请日:1977-12-01

    Applicant: HOECHST AG

    Abstract: Isoxazole derivs. I; R = mono-, di- or tri-nuclear unsaturated heterocyclic group having C and hetero atom in a ring sub- or unsubstituted by alkyl, alkoxy, halogen, nitro, hydroxyl, carbamoyl; X = halogen, YO group or ZO-CO-O group, Y = halogen, methyl, methoxy, trifluoromethylm nitro, cyano substituted or unsaturated phenyl; Z = C1-4 alkyl, benzyl or phenyl were manufd. by reaction of 5-methyl-isoxazol-4-carboxylic acid derivs. II with unsaturated heterocyclic amine III.

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