2,6-Di-t-butyl-4-methylanilin | 2909-80-0

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 2,6-Di-t-butyl-4-methylanilin
• 英文别名: 2,6-Di-tert.-butyl-p-toluidin；Aniline, 2,6-di-tert-butyl-4-methyl-；2,6-ditert-butyl-4-methylaniline
• CAS: 2909-80-0
• 化学式: C₁₅H₂₅N
• 分子量: 219.37
• InChiKey: SBHSHIFLFAKJNW-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.9
• 重原子数：
  16
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.6
• 拓扑面积：
  26
• 氢给体数：
  1
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  叔丁基过氧化氢 、 2,6-Di-t-butyl-4-methylanilin 在 salcomine 作用下， 以 水 、 1,2-二氯乙烷 为溶剂， 反应 0.5h， 以90%的产率得到2,6-Ditert-butyl-4-tert-butylperoxy-4-methylcyclohexa-2,5-dien-1-imine
  参考文献：
  名称：

  Cobalt Schiff Base Complex-Catalyzed Oxidation of Anilines with tert-Butyl Hydroperoxide

  摘要：

  Cobalt Schiff base complexes [Co(SB)] catalyze the oxidation of anilines (1) with tert-butyl hydroperoxide to give nitrobenzenes 2 and 4-(tert-butylperoxy)-2,5-cyclohexadien-1-imine derivatives 3 in yield distributions depending on the substitution mode of the substrate. 4-Alkyl- and 4-aryl-2,6-di-tert-butylanilines gave mixtures of 2 and 3, where the higher the bulkiness of the 4-substituent, the higher the yield of 2. With 2,4,6-trimethylaniline, the ratio of oxidations of the nitrogen and C-4 atoms was almost the same; but a hydrolyzed product 5 of the imine was obtained. 2,4,6-Triphenylaniline gave only 2. Nitrobenzene derivatives were also obtained from 2,6-dialkylanilines and 4-substituted anilines. The catalytic activity of Co(SB) depended on the nature of the SB ligand: the formal potential E degrees and steric factors seem to affect the reaction rate. Kinetic studies showed that the key step may involve hydrogen abstraction from the aniline, presumably by t-BuO(.) generated from homolytic decomposition of initially formed Co-III(SB)(OO-t-Bu). A precursor of 2 was found to be the nitrosobenzene derivative.

  DOI：

  10.1021/jo952198p
• 作为产物：
  描述：

  2,4,6-三叔丁基苯胺 在 盐酸 、 锌 作用下， 以 乙醚 、 乙醇 、 丙酮 为溶剂， 生成 2,6-Di-t-butyl-4-methylanilin
  参考文献：
  名称：

  Umsetzung von 3,5-Di-t-butyl-4-imino-2,5-cyclohexadienon mit Organometall-Verbindungen. Synthese sterisch gehinderter Aniline

  摘要：

  DOI：

  10.1055/s-1977-24545

文献信息

• Method for producing oligomer and catalyst
  申请人：ENEOS Corporation

  公开号：US10815317B2

  公开（公告）日：2020-10-27

  The present invention provides a method for preparing an oligomer and a catalyst comprising a step of oligomerizing a polymerizable monomer containing an olefin in the presence of a catalyst, which comprises (A) a complex of a diimine compound and at least one metal selected from the group consisting of Group 8 elements, Group 9 elements and Group 10 elements, (B) a mixture of a pyridine diimine compound and an iron salt and/or an iron complex, (C) methylaluminoxane and/or a boron compound, and (D) an organoaluminum compound other than methylaluminoxane and/or an organozinc compound. The components (A), (B), (C) and (D) described above are respectively as defined in the present Description.

  本发明提供了一种制备寡聚物和催化剂的方法，包括在催化剂存在的情况下，通过在含有烯烃的可聚合单体存在下进行寡聚化的步骤，所述催化剂包括(A)二亚胺化合物和来自第8、第9和第10族元素中至少一种金属的络合物，(B)吡啶二亚胺化合物和铁盐和/或铁配合物的混合物，(C)甲基铝氧烷和/或硼化合物，以及(D)除甲基铝氧烷和/或有机锌化合物之外的有机铝化合物。上述组分(A)、(B)、(C)和(D)分别如本说明中所定义。
• Polymerization Catalyst Comprising Amidine Ligand
  申请人：Ijpeij Edwin

  公开号：US20090012246A1

  公开（公告）日：2009-01-08

  The invention relates to a process for the preparation of a polymer comprising at least one aliphatic or aromatic hydrocarbyl C 2-20 olefin in the presence of an ionic catalyst comprising an organometallic compound and an activator, and optionally a scavenger, characterized in that the organometallic compound is a compound according to formula (1): where: M is a metal of group 3, 4, 5, 6 or 7, or the lanthanide series, and p is the valency of the metal M, A represents a neutral or anionic spectator ligand whose valency v is 0, 1 or 2, and q is an integer denoting the number of spectator ligands A, Z is an optional bridging moiety, n is the integer number of parallel bridging moieties Z, Y is an amidine-containing spectator ligand represented by formula (2): wherein the amidine-containing ligand is covalently bonded to the metal M via the imine nitrogen atom, Sub 1 is a substituent, which comprises a group 14 atom through which Sub 1 is bonded to the imine carbon atom. Sub 2 is a substituent, which comprises a heteroatom of group 15-16, through which Sub 2 is bonded to the imine carbon atom, r is an integer >0, L is an optional neutral Lewis basic ligand, j is an integer denoting the number of neutral ligands L, and X is an anionic ligand. The invention further relates to a organometallic compound according to formula (1) and a process for the preparation of this compound as well as to a UHMWPE having a weight average molecular weight of at least 4.000 kg/mol and a molecular weight distribution M w /M n of less than 2.6.

  本发明涉及一种制备聚合物的方法，该聚合物包含至少一种脂肪族或芳香族C2-20烯烃，在离子催化剂的存在下进行。该离子催化剂包括一个有机金属化合物和一个活化剂，以及可选的清除剂。其中，所述有机金属化合物是符合以下公式（1）的化合物： 其中：M是3、4、5、6或7族金属或稀土系列金属，p是金属M的价，A代表中性或负离子观察配体，其价为0、1或2，q是表示观察配体A的数量的整数，Z是可选的桥接基团，n是平行桥接基团Z的整数，Y是含有酰胺基的观察配体，其由以下公式（2）表示： 其中，含有酰胺基的配体通过亚胺氮原子与金属M共价键合，Sub1是一个取代基，其中包括一个14族元素基团，通过Sub1与亚胺碳原子键合。Sub2是一个取代基，其中包括一个15-16族杂原子，通过Sub2与亚胺碳原子键合。r是大于0的整数，L是可选的中性路易斯碱配体，j是表示中性配体L的数量的整数，X是一个负离子配体。本发明还涉及符合公式（1）的有机金属化合物的制备方法，以及具有重量平均分子量至少为4.000 kg/mol，分子量分布Mw/Mn小于2.6的超高分子量聚乙烯的制备方法。
• Polymerization catalyst comprising an amidine ligand
  申请人：DSM IP Assets B.V.

  公开号：EP1764379A1

  公开（公告）日：2007-03-21

  The invention relates to a process for the preparation of a polymer comprising at least one aliphatic or aromatic hydrocarbyl C2-20 olefin in the presence of a catalyst, comprising an organometallic compound and an activator, and optionally a scavenger, characterized in that the organometallic compound is a compound according to formula 1: where: M is a metal of group 3, 4, 5, 6 or 7, or the lanthanide series, and p is the valency of the metal M, A represents a neutral or anionic spectator ligand whose valency v is 0,1 or 2, and q is an integer denoting the number of spectator ligands A, Z is an optional bridging moiety, n is the integer number of parallel bridging moieties Z, Y is an amidine-containing spectator ligand represented by formula 2: wherein the amidine-containing ligand is covalently bonded to the metal M via the imine nitrogen atom, Sub1 is a substituent, which comprises a group 14 atom through which Sub1 is bonded to the imine carbon atom. Sub2 is a hydrocarbyloxide or hydrocarbylsulphide, bonded via O respectively S to the imine carbon atom, r is an integer > 0, L is an optional neutral Lewis basic ligand, j is an integer denoting the number of neutral ligands L, and X is an anionic ligand. The invention further relates to a organometallic compound according to formula 1 and a process for the preparation of this compound as well as to a UHMWPE having a weight average molecular weight of at least 4.000 kg/mol and a molecular weight distribution Mw/Mn of less than 2.6.

  本发明涉及一种在催化剂存在下制备包含至少一种脂肪族或芳香族烃基 C2-20 烯烃的聚合物的工艺，该催化剂包含有机金属化合物和活化剂，以及可选的清除剂，其特征在于有机金属化合物是根据式 1 的化合物： 式中 M 是第 3、4、5、6 或 7 族金属或镧系元素，p 是金属 M 的化合价，A 代表中性或阴离子旁配体，其化 合价 v 是 0、1 或 2，q 是表示旁配体 A 数目的整数，Z 是任选的桥基，n 是平行桥基 Z 的整数，Y 是由式 2 表示的含脒旁配体： 其中，含脒配体通过亚胺氮原子与金属 M 共价键合，Sub1 是取代基，包括基团 14 原子，Sub1 通过该基团与亚胺碳原子键合。Sub2 是碳氢比氧或碳氢硫化物，分别通过 O 和 S 与亚胺碳原子结合、 r 是大于 0 的整数，L 是可选的中性路易斯碱性配体，j 是表示中性配体 L 数量的整数，X 是阴离子配体。 本发明还涉及一种符合式 1 的有机金属化合物和制备该化合物的工艺，以及一种重量平均分子量至少为 4.000 kg/mol、分子量分布 Mw/Mn 小于 2.6 的超高分子量聚乙烯。
• Catalyst system
  申请人：Lanxess Elastomers B.V.

  公开号：EP2857423A1

  公开（公告）日：2015-04-08

  A catalyst system comprising a) a metal complex of the formula CyLMZp, wherein M is a group 4 metal Z is an anionic ligand, p is number of 1 to 2, preferably 2 Cy is a cyclopentadienyl-type ligand and, L is a guanidinate ligand of the formula wherein each A is independently selected from the group consisting of nitrogen and phosphorus and R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen, unsubstituted or substituted hydrocarbyl, unsubstituted or substituted silyl and unsubstituted or substituted germyl residues, and b) a boron containing activator, characterized in that the molar ratio of the boron of the activator and M of the metal complex is greater than 2.5.

  一种催化剂体系，包括 a) 式 CyLMZp 的金属络合物、 其中 M 是第 4 族金属 Z 是阴离子配体、 p 是 1 到 2 的数字，最好是 2 Cy 是环戊二烯型配体，且 L 是式中的胍基配体 其中每个 A 独立地选自氮和磷组成的组，R1、R2、R3 和 R4 独立地选自氢、未取代或取代的烃基、未取代或取代的硅基和未取代或取代的胚芽残基组成的组，以及 b) 含硼活化剂、 其特征在于活化剂中的硼与金属络合物中的 M 的摩尔比大于 2.5。
• Metal complex with a cyclic amidine ligand
  申请人：Lanxess Elastomers B.V.

  公开号：EP2902420A1

  公开（公告）日：2015-08-05

  The present invention relates to a A metal complex of formula 1         CyYMLjXn     (formula 1) wherein Cy is a cyclopentadienyl-type ligand; M is a metal of group 4; L is a neutral Lewis basic ligand wherein the number of said neutral ligands "j" is in the range of 0 to the amount that satisfies the 18-electron rule; X is an anionic ligand; n is an integer denoting the number of anionic ligands X and is 1 or 2, preferably is 2; Y is a cyclic amidine-containing ligand moiety represented by formula 2 wherein the amidine-containing ligand is covalently bonded to the metal M via the imine nitrogen atom N2; S is a -CH2- unit, and t is the integer number denoting the number of S and is in the range of 1-4, more preferably in the range of 1-2, most preferably is 1; Sub1 is an aliphatic cyclic or linear substituent comprising a group 14 atom through which Sub1 is bonded to the amine nitrogen atom N1; Sub2 is an optionally substituted C2 unit in which the 2 carbon atoms may be SP2 or sp3 hybridized.

  本发明涉及一种式 1 的金属络合物 CyYMLjXn（式 1） 其中 Cy 是环戊二烯类配体； M 是第 4 组金属 L 是中性路易斯碱性配体，其中所述中性配体 "j "的数量范围为 0 至满足 18 电子规则的数量； X 是阴离子配体；n 是表示阴离子配体 X 数目的整数，为 1 或 2，最好为 2； Y 是环状含脒配体，由式 2 表示 其中，含脒配体通过亚胺氮原子 N2 与金属 M 共价键合； S 是-CH2-单元，t 是表示 S 个数的整数，在 1-4 之间，更优选在 1-2 之间，最优选为 1； Sub1 是脂肪族环状或线性取代基，包括一个基团 14 原子，Sub1 通过该基团与胺氮原子 N1 键合； Sub2 是任选取代的 C2 单元，其中 2 个碳原子可以是 SP2 或 SP3 杂化。

表征谱图