Process for the preparation of dioxazine compounds
    4.
    发明授权
    Process for the preparation of dioxazine compounds 失效
    二恶嗪化合物的制备方法

    公开(公告)号:US5932727A

    公开(公告)日:1999-08-03

    申请号:US951689

    申请日:1997-10-16

    IPC分类号: C07D498/22 C09B19/02

    CPC分类号: C07D498/22 C09B19/02

    摘要: The present invention relates to a process for the preparation of dioxazine derivatives of the formula I ##STR1## in which R.sup.1 is hydrogen or (C.sub.1 -C.sub.8)-alkyl, by ring closure of a compound of the formula II ##STR2## in the presence of a ring-closure agent, wherein the ring-closure agent used is an N-hetarene N-oxide. The compounds of the formula I are used for producing valuable dyes and pigments.

    摘要翻译: 本发明涉及一种制备其中R 1为氢或(C 1 -C 8) - 烷基的式I的二恶嗪衍生物的方法,该方法通过在闭环剂存在下闭合式II化合物 其中所用的闭环剂是N-丁烯的N-氧化物。 式I的化合物用于生产有价值的染料和颜料。

    Process for preparing dioxazine compounds
    5.
    发明授权
    Process for preparing dioxazine compounds 有权
    二恶嗪化合物的制备方法

    公开(公告)号:US06359131B1

    公开(公告)日:2002-03-19

    申请号:US09535502

    申请日:2000-03-24

    IPC分类号: C07D26534

    CPC分类号: C09B19/02

    摘要: The process provides a process for preparing dioxazines by ring closure of a compound of the formula (II) in which R1 is hydrogen or C1-C8 alkyl in the presence of a ring closure agent, which comprises using as reaction medium an aryl alkyl ether of the formula (III) or a mixture of aryl alkyl ethers of the formula (III) in which n is an integer from 0 to 2 and R2 is ethyl if n is 0 or is methyl if n is 1 or 2.

    摘要翻译: 该方法提供了在闭环剂存在下通过闭环式(II)化合物制备二氧杂环己烷的方法,其中R 1为氢或C 1 -C 8烷基,其包括使用作为反应介质的芳基烷基醚 式(III)或其中n为0-2的整数的式(III)的芳基烷基醚的混合物,如果n为0,则R 2为乙基,如果n为1或2,则为甲基。

    Process for preparing N-alkylcarbazoles
    6.
    发明授权
    Process for preparing N-alkylcarbazoles 失效
    制备N-烷基咔唑的方法

    公开(公告)号:US5902884A

    公开(公告)日:1999-05-11

    申请号:US21981

    申请日:1998-02-11

    CPC分类号: C07D209/88 C07D209/86

    摘要: Process for preparing N-alkylcarbazolesThe present invention relates to a process for preparing N-alkylcarbazoles of the formula I ##STR1## where R.sup.1 is (C.sub.1 -C.sub.6)-alkyl andY is hydrogen, (C.sub.1 -C.sub.6)-alkyl, (C.sub.1 -C.sub.6)-alkoxy, nitro or halogen, by reacting a carbazole of the formula II ##STR2## with an alkyl halide of the formula IIIR.sup.1 -X IIIwhere X is a halogen atom,in an inert solvent in the presence of an inorganic base and a catalyst of the formula IVR.sup.2 R.sup.3 N-(CH.sub.2).sub.n -NR.sup.4 R.sup.5 IVwheren is an integer from 2 to 8,R.sup.2, R.sup.3 and R.sup.4 are, independently of one another, hydrogen or (C.sub.1 -C.sub.4)-alkyl andR.sup.5 is hydrogen, (C.sub.1 -C.sub.4)-alkyl, amino-(C.sub.1 -C.sub.4)-alkyl or N,N-di(C.sub.1 -C.sub.4)-alkylamino-(C.sub.1 -C.sub.4)-alkyl.

    摘要翻译: 制备N-烷基咔唑的方法本发明涉及制备式I的N-烷基咔唑的方法,其中R 1为(C 1 -C 6) - 烷基且Y为氢,(C 1 -C 6) - 烷基,(C 1 -C 6) - 烷氧基,硝基或卤素,在惰性溶剂中,在惰性溶剂中,在无机碱和式IVR2R3N-的催化剂的存在下,使式II的咔唑与式IIIR1-XIII的烷基卤反应,其中X是卤素原子, (CH2)n-NR4R5IV其中n为2至8的整数,R2,R3和R4彼此独立地为氢或(C1-C4) - 烷基,R5为氢,(C1-C4) - 烷基, 氨基 - (C 1 -C 4) - 烷基或N,N-二(C 1 -C 4) - 烷基氨基 - (C 1 -C 4) - 烷基。

    Aryl sulphide, aryl sulphoxide and aryl sulphone compounds
    8.
    发明授权
    Aryl sulphide, aryl sulphoxide and aryl sulphone compounds 失效
    芳基硫化物,芳基亚砜和芳基砜化合物

    公开(公告)号:US5274184A

    公开(公告)日:1993-12-28

    申请号:US770225

    申请日:1991-10-02

    摘要: The present invention relates to compounds of the general formula I ##STR1## wherein A.sup..sym. and B.sup..sym. independently of one another denote a proton, with the limitation that they do not both simultaneously denote protons, the equivalent part of the barium ion, an ion of the general formula II ##STR2## or an ion of the general formula III ##STR3## and wherein R.sup.1 to R.sup.8, R.sup.11 to R.sup.16, X and m and n are as defined in the description, processes for their preparation and their use as charge control agents in toners and developers and as charge improving agents in powders and varnishes.

    摘要翻译: 本发明涉及通式I(I)的化合物,其中A(+)和B(+)彼此独立地表示质子,限制为它们不同时表示质子,等同部分 的钡离子,通式II的离子(II)或通式III的离子III,其中R 1至R 8,R 11至R 16,X和m和n如在 描述,其制备方法及其作为调色剂和显影剂中的电荷控制剂以及作为粉末和清漆中的电荷改进剂的用途。

    Aryl and aralkyl sulfide, sulfoxide or sulfone compounds as charge
regulators
    10.
    发明授权
    Aryl and aralkyl sulfide, sulfoxide or sulfone compounds as charge regulators 失效
    芳基和芳烷基硫醚,亚砜或砜化合物作为电荷调节剂

    公开(公告)号:US5378571A

    公开(公告)日:1995-01-03

    申请号:US39021

    申请日:1993-04-02

    CPC分类号: G03G9/09741 G03G9/0975

    摘要: Aryl and aralkyl sulfide, sulfoxide or sulfone compounds as charge regulatorsUse of aryl sulfide, sulfoxide or sulfone compounds (sic) of the structural type ##STR1## where m is 1, 2 or 3 and n is 0, 1 or 2 and A and B are a hydrogen or metal ion, an ammonium, immonium or guanidinium ion or a phosphonium, arsonium or stilbonium ion, as charge regulators for electrophotographic toners, developers, powders and powder coatings.Use of aryl sulfide, sulfoxide or sulfone compounds having the structural type (I), in which m=1, 2 or 3, n=0, 1 or 2 and A and B represent a hydrogen or metal ion, an ammonium, immonium or guanidinium ion or a phosphonium, arsonium or stilbonium ion, as charge regulators for electrophotographic toners, developers, powders or powder coatings.

    摘要翻译: PCT No.PCT / EP91 / 01873 Sec。 371日期:1993年4月2日 102(e)日期1993年4月2日PCT 1991年10月1日PCT PCT。 出版物WO92 / 06414 日期:1992年04月16日。作为电荷调节剂的芳基和芳烷基硫醚,亚砜或砜化合物使用结构类型的芳基硫醚,亚砜或砜化合物(sic),其中m为1,2或3,n为0 ,1或2,A和B是氢或金属离子,铵,亚铵或胍离子或鏻,ium或锶离子,作为电子照相调色剂,显影剂,粉末和粉末涂料的电荷调节剂。 使用具有结构类型(I)的芳基硫醚,亚砜或砜化合物,其中m = 1,2或3,n = 0,1或2,A和B表示氢或金属离子,铵,亚铵或 胍鎓离子或鏻,钍或锶离子,作为电子照相调色剂,显影剂,粉末或粉末涂料的电荷调节剂。