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    BENZIMIDAZO-(1,2-A)-QUINOLINES AND PROCESS FOR THEIR PREPARATION
    3.
    发明专利
    BENZIMIDAZO-(1,2-A)-QUINOLINES AND PROCESS FOR THEIR PREPARATION 未知

    公开(公告)号：CA1072096A

    公开(公告)日：1980-02-19

    申请号：CA286371

    申请日：1977-09-09

    Applicant: HOECHST AG

    Inventor： GUENTHER DIETER ,  ERCKEL RUEDIGER ,  FRUEHBEIS HORST

    IPC: C07D471/04

    Abstract: BENZIMIDAZO-1,2-a!-QUINOLINES AND PROCESS FOR THEIR PREPARA TION of the disclosure: Benzimidazo-1,2-a!-quinolines of the formula I In the solid and dissolved state, the compounds of the invention are strongly fluorescing from reddish-blue to red, depending on the substitution. The compounds can be used as optical brighteners and as fluorescent dyestuffs . Furthermore they are valuable intermediates for the preparation of optical brighteners and fluorescing dyestuffs. They are distinguished by a very good fastness to light.

    NEW COUMARIN COMPOUND,A PROCESS FOR THEIR PREPARATION,AND THEIR USE AS DYESTUFFS
    6.
    发明专利
    NEW COUMARIN COMPOUND,A PROCESS FOR THEIR PREPARATION,AND THEIR USE AS DYESTUFFS 未知

    公开(公告)号：ZA823536B

    公开(公告)日：1983-03-30

    申请号：ZA823536

    申请日：1982-05-21

    Applicant: HOECHST AG

    Inventor： DEGER HANS MATTHIAS ,  ERCKEL RUEDIGER ,  FRUEHBEIS HORST

    IPC: C07D491/06 ,  C07D493/06 ,  C09B57/02 ,  C09B57/08 ,  C07D ,  C09B ,  D06P

    Abstract: Coumarin compounds of the general formula (1) (1) in which A denotes an oxygen atom or a grouping >N-R in which R represents a hydrogen atom or an alkyl radical of 1 to 18 carbon atoms which may be substituted by fluorine, chlorine or bromine atoms or by alkoxyC1-C4, dialkylC1-C4-amino, -SO2-N(alkylC1-C4)2 or cyano groups or a cycloaliphatic, aromatic or heterocyclic radical which may be substituted by fluorine, chlorine or bromine atoms or by alkylC1-C4, alkoxyC1-C4, hydroxyl, cyano, sulfonamide or -SO2-N-(alkylC1-C4)2 groups, X denotes an oxygen atom or a grouping >/=N-R' in which R' represents a hydrogen atom or an alkylC1-C18carbonyl, alkoxyC1-C4carbonyl, alkylC1-C4carbamoyl or alkylC1-C4sulfonyl group or an aryl, arylcarbonyl, arylcarbamoyl or arylsulfonyl radical which may be substituted by fluorine, chlorine or bromine atoms or by alkyl or alkoxy groups of 1 to 4 carbon atoms each or by cyano groups, Y denotes a hydrogen atom or a cyano or an alkylC1-C4 carboxylate group, an aryl, arylsulfonyl or -CO-O-aryl radical which may be substituted by fluorine, chlorine or bromine atoms or by alkyl or alkoxy groups of 1 to 4 carbon atoms, or by nitro, methylenedioxy, amino, monoalkylC1-C4amino or dialkylC1-C4amino groups or by a benzoxazolyl radical, or a heterocyclic radical which may be quaternized and which may be substituted by fluorine, chlorine or bromine atoms or by alkyl or alkoxy groups of 1 to 4 carbon atoms, or by nitro, phenyl, alkylC1-C4phenyl, alkoxyC1-C4phenyl, cyano, methylenedioxy or alkylC1-C4 carboxylate groups, and Z denotes a hydrogen atom or an alkylC1-C4 carboxylate or cyano group, a process for their preparation, and their use for dyeing or printing synthetic fiber materials, in particular polyester fibers.

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