CATIONIC DYESTUFFS AND THEIR USE IN DYEING PAPER FABRICS

    公开(公告)号:DE3063378D1

    公开(公告)日:1983-07-07

    申请号:DE3063378

    申请日:1980-12-09

    Applicant: BASF AG

    Abstract: Compounds of the general formula I where the radicals A, A1 and B are identical or different and A is unsubstituted or substituted benzene or heteroaromatic, A1, if n=1, is unsubstituted or substituted heteroaromatic or is aryl which is unsubstituted or substituted by alkyl, aryl, cycloalkyl, chlorine, bromine, hydroxyl, alkoxy, aryloxy, nitro, hydroxycarbonyl, alkoxycarbonyl, or aminocarbonyl, and, if n>1, A1 may also be aryl substituted by unsubstituted or substituted amino, B is a bridge member of the formula B1 is a bridge member which may or may not be quaternized, R1 and R2 are hydrogen, unsubstituted or substituted alkyl, cycloalkyl, aryl, alkoxy or amino, n is an integer equal to or greater than 1 and X theta is an anion. The compounds according to the invention are preferably used for coloring paper pulp.

    Basic dyes - prepn by catalytic oxidn of corresp cpds using complex catalysts contg heavy metals

    公开(公告)号:DE2138931A1

    公开(公告)日:1973-02-15

    申请号:DE2138931

    申请日:1971-08-04

    Applicant: BASF AG

    Abstract: Basic dyes of formula (I): (where R is H, 1-4C alkyl, 2-3C hydroxyalkyl, cyanethyl, 2-5C carbalkoxyalkyl, methoxyethyl, ethoxyethyl, 4-11C alkanoyloxyalkyl, benzyl, phenylethyl, phenyl opt. substd. by methyl, methoxy or ethoxy, or the gp. R1 is 1-4C alkyl, 2-3C hydroxyalkyl, cyanethyl, methoxyethyl, ethoxyethyl or phenyl, R2 is as R; R3 is as R1; X, Y are each H, Cl, methyl, methoxy or ethoxy; A is phenyl opt. mono- or disubstd. by Cl, OH, methyl, methoxy, ethoxy or sulphonic acid gp. or a gp. of formulae: in which R4 is H, Cl, methyl, methoxy or ethoxy; R5 is H or Cl; X- is an anion) are obtained by dehydrogenating cpds. of formula (II): with benzoquinones substd. by F, Cl, Br or Cn or nitro-substd. phenanthrene -quinones in the presence of O2 and catalysts contg. complex heavy metals (where A' is as A or a gp. of formula.

    54.
    发明专利
    未知

    公开(公告)号:DE59308137D1

    公开(公告)日:1998-03-19

    申请号:DE59308137

    申请日:1993-11-25

    Applicant: BASF AG

    Abstract: Azo dyes of the formula in which a) m is 1, n is 0, Y is hydroxyl and L is C1-C6-alkylene, or in which b) m is 0 or 1, n is 1, X is hydrogen, Y is amino and L is piperazine-1,4-diyl if m is 0 or is C2-C6-alkylene or phenylene if m is 1, their use for the dyeing or printing of paper pulps, and dye mixtures containing the new dyes.

    55.
    发明专利
    未知

    公开(公告)号:DE59306076D1

    公开(公告)日:1997-05-15

    申请号:DE59306076

    申请日:1993-01-14

    Applicant: BASF AG

    Abstract: Basic azo dyes useful for dyeing or printing polymeric material have the formula (* CHEMICAL STRUCTURE *) where R1 is hydrogen, C1-C4-alkyl, C1-C4-alkoxy or C1-C4-alkanoylamino, R2 is hydrogen, C1-C4-alkyl, C1-C4-alkoxy or a radical of the formula CO-X, and X is hydroxyl, C1-C4-alkoxy, amino, mono- or di(C1-C6-alkyl)amino or a radical of the formula (* CHEMICAL STRUCTURE *) (* CHEMICAL STRUCTURE *) (* CHEMICAL STRUCTURE *) where n is 0 or 1, R3, R4 and R5 are hydrogen or substituted or unsubstituted C1-C4-alkyl, R6 is hydrogen or C1-C4-alkyl, L is C2-C6-alkylene, and An(negative earth) is one equivalent of an anion, with the proviso that at least one basic or quaternary radical is present in the molecule.

    57.
    发明专利
    未知

    公开(公告)号:DE4232524A1

    公开(公告)日:1994-03-31

    申请号:DE4232524

    申请日:1992-09-29

    Applicant: BASF AG

    Abstract: Benzimidazoles of the formula in which n and q are 1 or 2, R is hydrogen, chlorine or methyl, R is hydrogen, optionally substituted C1-C4-alkyl, halogen, nitro or C1-C4-alkanoyl, L is C2-C6-alkylene and An is the equivalent of an anion, electrostatic toners containing the benzimidazoles as charge stabilisers, and the use of the benzimidazoles at charge stabilisers.

    58.
    发明专利
    未知

    公开(公告)号:DE58906464D1

    公开(公告)日:1994-02-03

    申请号:DE58906464

    申请日:1989-01-03

    Applicant: BASF AG

    Abstract: Novel isoindolenines of the general formula (I) … … in which… R stands for hydrogen, for C1-C12-alkyl which is optionally substituted by chlorine, hydroxyl, phenyl or cyano, for C5-C8 cycloalkyl or for phenyl which is optionally substituted by chlorine or methyl,… R stands for hydrogen, C1-C6-alkyl which is optionally substituted by chlorine, hydroxyl, phenyl or cyano, or … … or for a morpholino, pyrrolidino or piperidino radical and… R stands for hydrogen or methyl and the benzene ring A is optionally substituted by 1 to 4 chlorine, 1 or 2 C1-C4-alkyl or a nitro group,… are obtained by condensation of 3-aminophenols of the formula (II) … … with 3-amino-1-oxoisoindolenines of the general formula (III) … … in the presence of acids. … The isoindolenine compounds (I) can be hydrolysed to benzoylbenzoic acids (IV) … … in very good yield. … In this way, benzoylbenzoic acids are readily accessible which are only accessible with difficulty or are virtually inaccessible according to the processes of the prior art.

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