Substituted p-hydroxyphenyl-hydrazones and process for their manufacture
    1.
    发明授权
    Substituted p-hydroxyphenyl-hydrazones and process for their manufacture 失效
    取代的对羟基苯酚和水解产物及其制备方法

    公开(公告)号:US3573287A

    公开(公告)日:1971-03-30

    申请号:US3573287D

    申请日:1968-08-07

    Applicant: HOECHST AG

    CPC classification number: A61K31/44 C09B26/04

    Abstract: SUBSTITUTED P-HYDROXYPHENYL-HYDRAZONES OF THE FORMULA

    1-R4,3-((4-(HO-),R1,R2-PHENYL)-NH-N=C(-R3)-)PYRIDINIUM

    X(-)

    IN WHICH R1 AND R2 REPRESENT HYDROGEN, HALOGEN, LOWER ALKYL OR ALKOXY, CARBOXY, CARBAMOYL, LOWER CARBALKOXY, CARBOBENZOXY, SULFOXY OR SULFAMOUL; R3 REPRESNETS HYDROGEN OR LOWER ALKYL HAVING 1 TO 3 CARBON ATOMS, R4 REPRESENTS AN ALKYL RADICAL HAVING 1 TO 12 CARBON ATOMS, WHICH MAY CARRY ONE OR SEVERAL HYDROXY, LOWER ALKOXY, CARBOXY, LOWER CARBALKOXY, CARBAMOYL, NITRILE, SULFO, LOWER SULFALKOXY AND/OR SULFAMOYL GROUPS, AND X REPRESENTS THE ANION OF A NON-TOXIC ACID, WHICH COMPOUNDS HAVE BACTERIOSTATIC PROPERTIES.

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