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    Hydroxynaphtholdehide monoazomethine amine dyestuffs
    1.
    发明授权
    Hydroxynaphtholdehide monoazomethine amine dyestuffs 失效
    羟基萘啶酮单甲酰胺胺染料

    公开(公告)号：US3923793A

    公开(公告)日：1975-12-02

    申请号：US44135474

    申请日：1974-02-11

    Applicant: HOECHST AG

    Inventor： MUNDLOS EBERHARD ,  PAPENFUHS THEODOR

    IPC: C08K5/00 ,  C08K5/22 ,  C08K5/34 ,  C08K5/41 ,  C08K5/43 ,  C08L1/00 ,  C08L7/00 ,  C08L21/00 ,  C08L23/00 ,  C08L27/00 ,  C08L33/00 ,  C08L33/02 ,  C08L67/00 ,  C08L77/00 ,  C08L101/00 ,  C09B55/00 ,  C09D11/00 ,  C09D11/02 ,  C07D235/04 ,  C07C39/14 ,  C07D239/72

    CPC classification number: C09B55/002

    Abstract: A water-insoluble monoazomethine dyestuff of the formula
    WHEREIN Ar is an aromatic or heterocyclic radical which contains at least one substituted sulfonic acid amide group, an optionally substituted carboxylic acid amide, acylamino, sulfonylamino, urea, carboxylic acid or laked sulfonic acid group or a -NHCOgroup contained in a heterocyclic ring, and wherein the benzene nucleus a may contain substituents which are valuable pigments, especially suitable for printing pastes. They may also be used for the pigmentation of high-molecular organic material, for example of cellulose ethers and esters, polyamides, polyurethanes or polyesters, acetyl cellulose, nitro cellulose and natural or synthetic resins, for polyolefins, rubber, casein, silicon and silicon resins, individually or in mixture with one another. The new pigments are characterized by high fastness properties and especially have a considerably improved fastness to light and to solvents.

    Abstract translation: 式WHEREIN Ar的水不溶性单偶氮染料是含有至少一个取代的磺酰胺基，任选取代的羧酸酰胺，酰氨基，磺酰氨基，脲，羧酸或者磺酸基的芳族或杂环基，或 -NHCO-基团，其中苯核a可以含有作为有价颜料的取代基，特别适用于印刷浆料。

    PROCESS FOR THE PREPARATION OF N-CARBOXYMETHYLENEANTHRANILIC ACID ESTERS
    6.
    发明专利
    PROCESS FOR THE PREPARATION OF N-CARBOXYMETHYLENEANTHRANILIC ACID ESTERS 未知

    公开(公告)号：CA2197046A1

    公开(公告)日：1997-08-10

    申请号：CA2197046

    申请日：1997-02-07

    Applicant: HOECHST AG

    Inventor： PAPENFUHS THEODOR ,  DIERDORF ANDREAS ,  KRAUSE STEFAN ,  NEUMANN-GRIMM DORIS

    IPC: B01J23/40 ,  C07B61/00 ,  C07C227/08 ,  C07C227/18 ,  C07C229/56 ,  C07C249/02 ,  C07C229/54

    Abstract: Process for the preparation of N-carboxymethyleneanthranilic acid esters Process for the preparation of N-carboxymethyleneanthranilic acid esters of the formula (3) (3) by reacting a compound of the formula (1) (1) in which R' is hydrogen or a straight-chain or branched alkyl radical having 1 to 4 carbon atoms and R1, R2, R3 and R4 are identical or different and independently of one another are hydrogen, halogen, NO2, a straight-chain or branched alkyl, alkoxy or halogenated alkyl radical having in each case 1 to 6 carbon atoms, with a glyoxylic acid ester of the formula (2) OHC-COOR (2) in which R is a straight-chain or branched alkyl radical having 1 to 20 carbon atoms, phenyl radical or benzyl radical, which are unsubstituted or mono- or polysubstituted by halogen or an alkyl or alkoxy group having in each case 1 to 4 carbon atoms, in the presence of a solvent at 0 to 200.degree.C, optionally separating off the water formed during the reaction, and reducing the reaction product with hydrogen in the presence of a hydrogenation catalyst at a temperature of 0 to 200.degree.C under a pressure of 1 to 150 bar.

    PROCESS FOR THE PREPARATION OF ESTERS OF AROMATIC CARBOXYLIC ACIDS
    9.
    发明专利
    PROCESS FOR THE PREPARATION OF ESTERS OF AROMATIC CARBOXYLIC ACIDS 未知

    公开(公告)号：CA2182350A1

    公开(公告)日：1997-02-01

    申请号：CA2182350

    申请日：1996-07-30

    Applicant: HOECHST AG

    Inventor： PFIRMANN RALF ,  PAPENFUHS THEODOR

    IPC: B01J31/02 ,  C07B61/00 ,  C07C67/00 ,  C07C67/11 ,  C07C67/28 ,  C07C69/76 ,  C07C69/78 ,  C07C69/84 ,  C07C69/92 ,  C07C227/18 ,  C07C229/52 ,  C07C319/20 ,  C07C323/62

    Abstract: Process for the preparation of esters of aromatic carboxylic acids The present invention relates to a process for the preparation of compounds of the formula (1) R1R2R3R4R5ArCOOR (1) in which R1, R2, R3, R4 and R5 are identical or different and are hydrogen, a halogen, an alkyl or alkoxy group having 1 to 6 carbon atoms, OR, NHR, NR2, SR or COOR, R being an alkyl radical having 1 to 4 carbon atoms, Ar is an aryl radical having 6 to 12 carbon atoms and the radical R identified in formula (1) has the above meaning, by reacting a compound of the formula (2) R1R2R3R4R5ArCOOH (2) in which R1, R2, R3, R4 and R5 are identical or different and are hydrogen, a halogen, an alkyl or alkoxy group having 1 to 6 carbon atoms, OH, NH2, NHR, SH or COOH and Ar has the same meaning as in formula (1), with a sulfate of the formula (RO)2SO2, in which R has the above meaning, at a pH from 5 to 12 in the presence of a water-insoluble tertiary amine and water at a temperature from 10 to 120.degree.C in the presence or absence of a water-insoluble solvent and with addition of a base.

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