Derivatives of isoindoline
    3.
    发明授权
    Derivatives of isoindoline 失效
    ISOINDOLINE的衍生物

    公开(公告)号:US3646033A

    公开(公告)日:1972-02-29

    申请号:US3646033D

    申请日:1967-09-08

    Applicant: BAYER AG

    CPC classification number: C09B57/04 C07D209/44

    Abstract: ISOINDOLINE DERIVATIVES ASYMMETRICALLY DISUBSTITUTED IN THE 1- AND 3-POSITION CORRESPONDING TO THE GENERAL FORMULA

    1-R1,3-R2-ISOINDOLINE

    IN WHICH THE CYCLIC RADICAL R IS AN AROMATIC RING, A SUBSTITUTED AROMATIC RING, A TETRAHYDROGENATED AROMATIC RING, A NITROGEN-CONTAINING HETEROCYCLIC RING, OR A SULPHUR-CONTAINING HETERCOYCLIC RING AND R1 AND R2 WHICH ARE DIFFERENT ARE BIVALENT RADICALS OF A COMPOUND WHICH CONTAINS TWO ACTIVE HYDROGEN ATOMS ATTACHED TO A CARBON OR NITOGEN ATOM AND A TWO-STAGE PROCESS FOR MAKING THE SAME. THE ISOINDOLINE DERIVATIVES ARE EXCELLENT DYESTUFFS FOR DYEING AND PRINTING SYNTHETIC FIBER MATERIALS.

    Complex compounds of the cobalt-phthalocyanine series
    5.
    发明授权
    Complex compounds of the cobalt-phthalocyanine series 失效
    钴 - 酞菁系列的复合化合物

    公开(公告)号:US3636040A

    公开(公告)日:1972-01-18

    申请号:US3636040D

    申请日:1968-08-28

    Applicant: BAYER AG

    CPC classification number: C09B47/08

    Abstract: COORDINATIVELY HEXAVALENT COMPLEX SALTS OF TRIVALENT COBALT, IN WHICH FOUR OF THE SIX CORRDINATION POINTS AT THE COLBALT ATOM ARE OCCUPIED BY THE PHTHALOCYANINE RING SYSTEM WHICH HAS A DOUBLE NEGATIVE, CHARGE, AND EACH OF THE REMAINING TWO POINTS IS OCCUPIED BY AN AMINE AND PROCESS FOR PREPARING SAID COMPLEX SALTS COMPRISING TREATING COBALT-PHTHALOCYANINES WITH AN OXIDIZING AGENT IN THE PRESENCE OF AN ANION AND WITH AN AMINE. THE COMPLEX SALTS CAN BE USED AS DYESTUFFS FOR LACQUERS, SYNTHETIC MATERIALS AND PASTES FOR BALL POINT PENS.

    Process for the production of substituted anthraquinones
    6.
    发明授权
    Process for the production of substituted anthraquinones 失效
    生产取代的亚麻酸的方法

    公开(公告)号:US3631074A

    公开(公告)日:1971-12-28

    申请号:US3631074D

    申请日:1969-11-24

    Applicant: BAYER AG

    CPC classification number: C07C50/34

    Abstract: A PROCESS FOR THE PRODUCTION OF AN A-CHLORINATED ANTHRAQUINONE HAVING HYDROXY SUBSTITUENTS IN THE 1,4-POSITIONS WHICH COMPRISES CHLORINATING AT A TEMPERATURE OF 50-120*C. A BORIC ACID COMPLEX OF A 1,4-DIHYDROXY-ANTHRAQUINONE OR A BORIC ACID COMPLEX OF A 1,4-DIHYDROXY-ANANTHRAQUINONE HAVING 1 TO 2 CHLORINE ATOMS IN THE 2-, 3-, 5-, 6-, 7- OR 8-POSITIONS BUT WITH AT LEAST ONE OF THE 5AND 8-POSITIONS UNSUBSTITUTED, IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF SULPHURIC ACID CONTAINING SO3 AND CHLOROSULPHONIC ACID IN THE PRESENCE OF IODINE, SULPHUR CHLORIDE OR IRON-III-SALTS AS HALOGENATING CATALYST AND SPLITTING OF BORIC ACID BY HYDROLYSIS.

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