利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

90 条记录 (耗时 0.028 秒)

    Process for catalytically preparing aromatic or heteroaromatic nitriles
    3.
    发明授权
    Process for catalytically preparing aromatic or heteroaromatic nitriles 有权
    用于催化制备芳族或杂芳族腈的方法

    公开(公告)号：US08314243B2

    公开(公告)日：2012-11-20

    申请号：US11986398

    申请日：2007-11-21

    申请人： Nikolaus Müller ,  Wolfgang Mägerlein ,  Alain Cotté ,  Matthias Beller ,  Thomas Schareina ,  Alexander Zapf

    发明人： Nikolaus Müller ,  Wolfgang Mägerlein ,  Alain Cotté ,  Matthias Beller ,  Thomas Schareina ,  Alexander Zapf

    IPC分类号： C07D211/78 ,  A01N43/38

    CPC分类号： C07B37/04 ,  C07C1/26 ,  C07C17/10 ,  C07C2529/40 ,  C07D213/61 ,  C07C9/00 ,  C07C19/075

    摘要： A process is described for catalytically preparing optionally substituted aromatic or heteroaromatic nitrites of the general formula (I) Ar—CN  (I) by reacting the corresponding aryl halides of the general formula (II) Ar—X  (II) in which X is chlorine, bromine, iodine, triflate, nonaflate, mesylate or tosylate and Ar is an optionally substituted aromatic or heteroaromatic radical, characterized in that the reaction is performed in the presence of a palladium compound, a phosphine of the general formula (III) or (IV) where R is an alkyl radical and R′, R″ and R′″ are each an alkyl radical or an aryl radical or heteroaryl radical and A is an alkylene or arylene radical, and potassium hexacyanoferrate(II) or potassium hexacyanoferrate(III), optionally in a solvent and optionally with addition of a base.

    摘要翻译： 描述了通过使通式（II）Ar-X（II）的相应芳基卤反应其中X为氯的方法催化制备通式（I）Ar-CN（I）的任选取代的芳族或杂芳族亚硝酸盐的方法 溴，碘，三氟甲磺酸酯，壬酸酯，甲磺酸酯或甲苯磺酸酯，Ar是任选取代的芳族或杂芳族基团，其特征在于反应在钯化合物，通式（III）或（IV） ）其中R是烷基，R'，R“和R”“各自是烷基或芳基或杂芳基，A是亚烷基或亚芳基，六氰基铁酸钾（II）或六氰基铁酸钾（III） ，任选地在溶剂中和任选地加入碱。

    PROCESS FOR THE CATALYTIC SYNTHESIS OF DIARYL ETHERS
    4.
    发明申请
    PROCESS FOR THE CATALYTIC SYNTHESIS OF DIARYL ETHERS 有权
    二元醇的催化合成方法

    公开(公告)号：US20090143594A1

    公开(公告)日：2009-06-04

    申请号：US12275316

    申请日：2008-11-21

    申请人： Alain Cotte ,  Nikolaus Muller ,  Matthias Gotta ,  Matthias Beller ,  Thomas Schareina ,  Alexander Zapf

    发明人： Alain Cotte ,  Nikolaus Muller ,  Matthias Gotta ,  Matthias Beller ,  Thomas Schareina ,  Alexander Zapf

    IPC分类号： C07C41/01 ,  C07C209/00 ,  C07D213/63 ,  B01J31/18

    CPC分类号： C07C41/16 ,  C07C201/12 ,  C07C213/00 ,  C07C231/12 ,  C07D213/643 ,  C07C217/90 ,  C07C233/25 ,  C07C205/38 ,  C07C43/275 ,  C07C43/263 ,  C07C43/257

    摘要： Described is a process for preparing diaryl ethers of the formula (I) Ar—O—Ar′  (I) In which Ar is an aryl or substituted aryl group and Ar′ is an aryl, substituted aryl, heteroaryl or substituted heteroaryl group, by reacting an aryl of formula (II) or a aryloxy salt of formula (III) Ar—OH   (II) Ar—OR   (III) In which Ar has the same meaning as in formula (I) and R is an alkali metal, with an aryl or heteroaryl bromide of formula (IV) Ar′—Br   (IV) In which Ar′ has the same meaning as in formula (I), characterized in that the reaction is carried out in the presence of a copper(I)salt and a 1-substituted imidazole as catalyst system.

    摘要翻译： 描述了制备式（I）的二芳基醚的方法<？in-line-formula description =“In-line Formulas”end =“lead”→Ar-O-Ar'（I） -formulae description =“In-line Formulas”end =“tail”？>其中Ar是芳基或取代的芳基，Ar'是芳基，取代的芳基，杂芳基或取代的杂芳基，通过使式 II）或式（III）的芳氧基盐<？in-line-formula description =“In-line Formulas”end =“lead”？> Ar-OH（II）<？in-line-formula description =“In “公式”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> Ar-OR（III）<？in-line-formula description =“In 其中Ar具有与式（I）中相同的含义并且R是碱金属，其中式（IV）的芳基或杂芳基溴<？在线配方说明书 =“在线公式”end =“lead”？> Ar'-Br（IV）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中Ar' 意义如式（I）所示 其特征在于反应在铜（I）盐和1-取代的咪唑作为催化剂体系的存在下进行。

    Process for catalytically preparing aromatic or heteroaromatic nitriles
    7.
    发明申请
    Process for catalytically preparing aromatic or heteroaromatic nitriles 有权
    用于催化制备芳族或杂芳族腈的方法

    公开(公告)号：US20080194829A1

    公开(公告)日：2008-08-14

    申请号：US11986398

    申请日：2007-11-21

    申请人： Nikolaus Muller ,  Wolfgang Magerlein ,  Alain Cotte ,  Matthias Beller ,  Thomas Schareina ,  Alexander Zapf

    发明人： Nikolaus Muller ,  Wolfgang Magerlein ,  Alain Cotte ,  Matthias Beller ,  Thomas Schareina ,  Alexander Zapf

    IPC分类号： C07D211/04 ,  C07C255/49

    CPC分类号： C07B37/04 ,  C07C1/26 ,  C07C17/10 ,  C07C2529/40 ,  C07D213/61 ,  C07C9/00 ,  C07C19/075

    摘要： A process is described for catalytically preparing optionally substituted aromatic or heteroaromatic nitrites of the general formula (I) Ar—CN   (I) by reacting the corresponding aryl halides of the general formula (II) Ar—X   (II) in which X is chlorine, bromine, iodine, triflate, nonaflate, mesylate or tosylate and Ar is an optionally substituted aromatic or heteroaromatic radical, characterized in that the reaction is performed in the presence of a palladium compound, a phosphine of the general formula (III) or (IV) where R is an alkyl radical and R′, R″ and R′″ are each an alkyl radical or an aryl radical or heteroaryl radical and A is an alkylene or arylene radical, and potassium hexacyanoferrate(II) or potassium hexacyanoferrate(III), optionally in a solvent and optionally with addition of a base.

    摘要翻译： 描述了用于催化制备通式（I）的任选取代的芳香族或杂芳族亚硝酸盐的方法，该方法包括通式（I）的化合物。 通过使通式（II）的相应的芳基卤反应<？in-line-formula description =“In-Line Formulas”end =“in-line-formula description =”In-line Formulas“end =”tail“ “铅”→Ar-X（II）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中X为氯，溴，碘，三氟甲磺酸酯，壬酸酯，甲磺酸酯或甲苯磺酸酯 并且Ar是任选取代的芳族或杂芳族基团，其特征在于反应在钯化合物，通式（III）或（IV）的膦的存在下进行，其中R是烷基，R'，R “和”R“分别是烷基或芳基或杂芳基，A是亚烷基或亚芳基，六氰基铁酸钾（II）或六氰基铁酸钾（III），选择性 在溶剂中并任选加入碱。