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    • 6. 发明授权
    • Process for preparing N-alkylcarbazoles
    • 制备N-烷基咔唑的方法
    • US5902884A
    • 1999-05-11
    • US21981
    • 1998-02-11
    • Wolfgang BauerKlaus DelpyGert NaglLeonhard Unverdorben
    • Wolfgang BauerKlaus DelpyGert NaglLeonhard Unverdorben
    • B01J31/02C07B61/00C07D209/86C07D209/88C07D209/82
    • C07D209/88C07D209/86
    • 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.
    • 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。
    • 10. 发明授权
    • Aryl and aralkyl sulfide, sulfoxide or sulfone compounds as charge
regulators
    • 芳基和芳烷基硫醚,亚砜或砜化合物作为电荷调节剂
    • US5378571A
    • 1995-01-03
    • US39021
    • 1993-04-02
    • Hans-Tobias MacholdtGert Nagl
    • Hans-Tobias MacholdtGert Nagl
    • C09D5/03C07C317/44C07C323/62C09D5/46G03G9/097
    • G03G9/09741G03G9/0975
    • 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.
    • 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。