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    • 3. 发明公开
    • METHOD FOR MANUFACTURING NITROBENZENE COMPOUND
    • VERFAHREN ZUR HERSTELLUNG EINER NITROBENZOLVERBINDUNG
    • EP3015451A1
    • 2016-05-04
    • EP14817123.4
    • 2014-06-03
    • Ihara Chemical Industry Co., Ltd.
    • IKUMI, AkikoNAKAMURA, Takayuki
    • C07C201/06C07C205/12C07C205/58C07B61/00
    • C07C201/10C07C205/58C07C205/12
    • The purpose of the present invention is to provide an economically favorable, industrialization-suitable method for manufacturing nitrobenzene compounds of general formula (1). A method for manufacturing nitrobenzene compounds of general formula (1):

      (in the formula, R 1 represents a halogen atom; R 2 , R 3 , and R 4 represent a hydrogen atom, etc.; and R 5 represents a halogen atom or alkoxy carbonyl group), the method including the following processes: (i) a process for reacting aniline compounds of general formula (2):

      (in the formula, R 1 , R 2 , R 3 , R 4 , and R 5 are as previously defined.) in the presence of a metal salt of nitrous acid and an acid, and (ii) a process for reacting the product of process (i) in the presence of a metal salt of nitrous acid and a copper compound; and the total amount of water used in process (ii) being 1.2-2.2 L (liters) with respect to one mole of the compound of general formula (2).
    • 本发明的目的是提供一种经济上有利的工业化合适的制备通式(1)的硝基苯化合物的方法。 制备通式(1)的硝基苯化合物的方法:(式中,R 1表示卤素原子; R 2,R 3和R 4表示氢原子等; R 5表示卤素原子或 烷氧基羰基),该方法包括以下方法:(i)使通式(2)的苯胺化合物反应的方法:(式中,R 1,R 2,R 3,R 4和R 5为 (ii)在亚硝酸金属盐和铜化合物的存在下使方法(i)的产物反应的方法;和(ii)使方法(i)的产物在亚硝酸金属盐和铜化合物的存在下反应的方法; 并且相对于1摩尔通式(2)的化合物,方法(ii)中使用的水的总量为1.2-2.2L(升)。
    • 10. 发明公开
    • 2-SUBSTITUTED INDOLES, THEIR PRECURSORS AND NOVEL PROCESSES FOR THE PREPARATION THEREOF
    • 2-取代的吲哚,及其前体,新工艺用于生产
    • EP1817283A1
    • 2007-08-15
    • EP05803043.8
    • 2005-11-04
    • Lautens, MarkFang, Yuanqing
    • Lautens, MarkFang, Yuanqing
    • C07D209/24C07C205/12C07C211/46C07D409/04C07D401/14C07D209/12C07D209/08
    • C07C205/11C07C201/12C07C205/58C07C211/52C07C211/56C07D209/08C07D209/10C07D209/12C07D401/04C07D409/04C07C205/44C07C205/45C07C205/61
    • Disclosed are processes for the preparation of 2-substituted indole compounds wherein the 2-substituent comprises an R4 group, wherein R4 is selected from the group consisting of monocyclic aromatic, polycyclic aromatic, monocyclic heteroaromatic, polycyclic heteroaromatic, 1° alkyl, and alkenyl, all of which are optionally substituted at one or more substitutable positions with one or more suitable substituents, and wherein R4 is bonded to the 2-position of the indole ring via a C-C bond; the process comprising reacting an ortho­gem-dihalovinylaniline compound of the formula (I): wherein Halo comprises Br, Cl, or I; each of the one or more R1 is independently selected from the group consisting of H, fluoro, lower alkyl, lower alkenyl, lower alkoxy, aryloxy, lower haloalkyl, lower alkenyl, -C(O)O-lower alkyl, monocyclic or polycyclic aryl or heteroaryl moiety, or R1 is an alkenyl group bonded so to as to form a 4- to 20-membered fused monocycle or polycyclic ring with the indole ring; all of which are optionally substituted with one or more suitable substituents at one or more substitutable positions; R2 comprises H, alkyl, cycloalkyl, aryl, heteroaryl, aryl-loweralkyl-, or heteroaryl-loweralkyl-, all of which are optionally substituted at one or more substitutable positions with one or more suitable substituents; R3 comprises H, alkyl, haloalkyl, alkenyl, alkynyl, aryl, heteroaryl, cycloalkyl, heterocycle, aryl-(C1-6)alkyl-, or heteroaryl-loweralkyl-, all of which are optionally substituted at one or more substitutable positions with one or more suitable substituents; with an organoboron reagent selected from the group consisting of a boronic ester of R4, a boronic acid of R4, a boronic acid anhydride of R4, a trialkylborane of R4 and a 9-BBN derivative of R4; in the presence of a base, a palladium metal pre-catalyst and a ligand under reaction conditions effective to form the 2-substituted indole compound. Also disclosed are processes for the preparation of ortho-gem-dihalovinylaniline compounds. Novel compounds prepared by the processes and novel uses of the compounds are likewise disclosed.