1,2-二(3,4,5-三甲氧基苯基)-1,2-乙烷二酮 | 52886-83-6

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 中文名称: 1,2-二(3,4,5-三甲氧基苯基)-1,2-乙烷二酮
• 英文名称: dibutyl 2-methylmalonate
• 英文别名: methyl-malonic acid dibutyl ester；Methyl-malonsaeure-dibutylester；Propanedioic acid, methyl-, dibutyl ester；dibutyl 2-methylpropanedioate
• CAS: 52886-83-6
• 化学式: C₁₂H₂₂O₄
• 分子量: 230.304
• InChiKey: PYKIHPRFFNLVMF-UHFFFAOYSA-N

物化性质

• 沸点：
  263.3±8.0 °C(Predicted)
• 密度：
  0.984±0.06 g/cm3(Predicted)
• 保留指数：
  1475

计算性质

• 辛醇/水分配系数(LogP)：
  3.2
• 重原子数：
  16
• 可旋转键数：
  10
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.83
• 拓扑面积：
  52.6
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  1,2-二(3,4,5-三甲氧基苯基)-1,2-乙烷二酮 、 diethyl 3,4-dimethylenehexanedioate 在 2-二吡啶基酮 、 2,2,6,6-四甲基哌啶氧化物 、 copper diacetate 作用下， 反应 24.0h， 以90%的产率得到dibutyl 3,4-bis(2-ethoxy-2-oxoethyl)cyclohex-3-ene-1,1-dicarboxylate
  参考文献：
  名称：

  铜催化的脱氢狄尔斯-阿尔德反应

  摘要：

  的实用而有效的铜催化脱氢Diels-Alder反应宝石-diesters和与二烯烃酮已经建立。通过基于自由基的脱氢过程原位产生活性二烯亲和体，其与多种二烯反应，以良好或优异的收率得到各种多取代的环己烯衍生物。

  DOI：

  10.1021/acs.orglett.8b01067
• 作为产物：
  描述：

  甲基丙二酸 、 正丁醇 在 4-二甲氨基吡啶 、 N,N'-二环己基碳二亚胺 作用下， 以 二氯甲烷 为溶剂， 反应 3.08h， 以90%的产率得到1,2-二(3,4,5-三甲氧基苯基)-1,2-乙烷二酮
  参考文献：
  名称：

  铜催化的脱氢狄尔斯-阿尔德反应

  摘要：

  的实用而有效的铜催化脱氢Diels-Alder反应宝石-diesters和与二烯烃酮已经建立。通过基于自由基的脱氢过程原位产生活性二烯亲和体，其与多种二烯反应，以良好或优异的收率得到各种多取代的环己烯衍生物。

  DOI：

  10.1021/acs.orglett.8b01067

文献信息

• 2,3-DIPHENYL-VALERONITRILE DERIVATIVES, METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF AS HERBICIDES AND PLANT GROWTH REGULATORS
  申请人：Mosrin Marc

  公开号：US20140235446A1

  公开（公告）日：2014-08-21

  The compounds of the formula (I) in which L represents a radical of the formula and A 1 , B 1 and A 2 and B 2 are as defined in Claim 1, are suitable as herbicides for the control of harmful plants or as plant growth regulators. The compounds can be prepared by the process of Claim 12.

  式(I)中L代表式的基团，A1、B1、A2和B2如权利要求1所定义，适用于作为除草剂用于控制有害植物或作为植物生长调节剂。这些化合物可以通过权利要求12所述的方法制备。
• Process for polymerizing olefins and catalyst for polymerizing olefins
  申请人：MITSUI PETROCHEMICAL INDUSTRIES, LTD.

  公开号：EP0385765A2

  公开（公告）日：1990-09-05

  A catalyst for polymerization of an olefin, said catalyst being formed from [A] a solid titanium catalyst component com­prising magnesium, titanium, halogen and an electron donor as essential ingredients, [B] an organoaluminum compound catalyst com­ponent, and [C] an electron donor catalyst component com­prising at least two electron donors including an electron donor (1) and an electron donor (2), the MFR (a) of homopolypropylene obtained by using the electron donor (1) together with the solid titanium catalyst component [A] and the organoaluminum compound catalyst component [B] has the following relation to the MFR (b) of homo­polypropylene obtained by using the electron donor (2) under the same polymerization conditions as in the case of using the electron donor (1) log [MFR (b)/MFR (a)]≧1.5. This catalyst can give an olefin polymer having a broad molecular weight. Also provided is a process for poly­merizing or copolymerizing an olefin in the presence of the above catalyst.

  一种用于烯烃聚合的催化剂，所述催化剂由以下物质组成 [A] 固态钛催化剂组分，其主要成分包括镁、钛、卤素和电子供体、 [B] 一种有机铝化合物催化剂组分，以及 [C] 电子供体催化剂组分，由至少两个电子供体组成，包括电子供体 (1) 和电子供体 (2)，在与使用电子供体 (1) 相同的聚合条件下，使用电子供体 (1) 与固体钛催化剂组分 [A] 和有机铝化合物催化剂组分 [B] 一起得到的均聚丙烯的 MFR (a) 与使用电子供体 (2) 得到的均聚丙烯的 MFR (b) 具有如下关系 对数[MFR (b)/MFR (a)]≧1.5。 这种催化剂可以得到具有宽分子量的烯烃聚合物。还提供了一种在上述催化剂存在下聚合或共聚烯烃的工艺。
• Process for the preparation of olefin polymer
  申请人：MITSUI PETROCHEMICAL INDUSTRIES, LTD.

  公开号：EP0601496A1

  公开（公告）日：1994-06-15

  A process for preparing an olefin polymer comprising the steps of: preparing an olefin polymer [I] by polymerizing or copolymerizing an olefin in the presence of an olefin poymerization catalyst comprising a specific solid titanium catalyst component [A], a specific organoaluminum compound catalyst component [B] and a specific electron donor catalyst component [C]; preparing an olefin polymer [II] by polymerizing or copolymerizing an olefin in an polymerizer different from that for the polymerization of the above step in the presence of an olefin poymerization catalyst comprising a specific solid titanium catalyst component [A], a specific organoaluminum compound catalyst component [B] and a specific electron donor catalyst component [D]; and then allowing the resulting olefin polymer [I] and the resulting olefin polymer [II] to coexist in one polymerizer to further polymerize or copolymerize an olefin.

  一种制备烯烃聚合物的工艺，包括以下步骤在由特定固体钛催化剂组分[A]、特定有机铝化合物催化剂组分[B]和特定电子供体催化剂组分[C]组成的烯烃聚合催化剂存在下，聚合或共聚烯烃，制备烯烃聚合物[I]；在由特定固体钛催化剂组分[A]、特定有机铝化合物催化剂组分[B]和特定电子供体催化剂组分[D]组成的烯烃聚合催化剂存在下，在不同于上述步骤聚合的聚合器中聚合或共聚烯烃，制备烯烃聚合物[II]；然后使所得烯烃聚合物[I]和所得烯烃聚合物[II]在一个聚合器中共存，以进一步聚合或共聚烯烃。
• METHOD FOR PRODUCING SOLID CATALYST COMPONENT FOR USE IN POLYMERIZATION OF OLEFIN, CATALYST FOR USE IN POLYMERIZATION OF OLEFIN, AND METHOD FOR PRODUCING OLEFIN POLYMER
  申请人：Toho Titanium CO., LTD.

  公开号：EP2876118A1

  公开（公告）日：2015-05-27

  A method for producing a solid catalyst component for olefin polymerization produces a novel solid catalyst component for olefin polymerization that achieves excellent olefin polymerization activity and activity with respect to hydrogen during polymerization, and can produce an olefin polymer that exhibits a high MFR, high stereoregularity, and excellent rigidity. The method includes a first step that brings a magnesium compound, a tetravalent titanium halide compound, and one or more first internal electron donor compounds selected from specific aromatic dicarboxylic diesters into contact with each other to effect a reaction, followed by washing, a second step that brings a tetravalent titanium halide compound and one or more second internal electron donor compounds into contact with a product obtained by the first step to effect a reaction, followed by washing, and a third step that brings one or more third internal electron donor compounds into contact with a product obtained by the second step to effect a reaction.

  一种生产烯烃聚合用固体催化剂组分的方法可生产出一种新型的烯烃聚合用固体催化剂组分，该组分具有优异的烯烃聚合活性和聚合过程中对氢的活性，并可生产出具有高MFR、高立体规整度和优异刚性的烯烃聚合物。该方法包括第一步，使镁化合物、四价卤化钛化合物和一种或多种选自特定芳香族二羧酸二酯的第一内部电子供体化合物相互接触以发生反应，然后进行洗涤、第二步：使四价卤化钛化合物和一种或多种第二内部电子供体化合物与第一步得到的产物接触，以发生反应，然后进行洗涤；第三步：使一种或多种第三内部电子供体化合物与第二步得到的产物接触，以发生反应。
• PRODUCTION METHOD FOR SOLID CATALYST COMPONENT FOR POLYMERIZING OLEFINS, CATALYST FOR POLYMERIZING OLEFINS, AND PRODUCTION METHOD FOR POLYMERIZED OLEFINS
  申请人：TOHO TITANIUM CO., LTD.

  公开号：EP2963063A1

  公开（公告）日：2016-01-06

  A method for producing a solid catalyst component for olefin polymerization produces a novel solid catalyst component for olefin polymerization that achieves excellent olefin polymerization activity and activity with respect to hydrogen during polymerization, and can produce an olefin polymer that exhibits a high MFR, high stereoregularity, and excellent rigidity. The method includes a first step that brings a magnesium compound, a tetravalent titanium halide compound, and one or more first internal electron donor compounds excluding an aromatic dicarboxylic acid diester into contact with each other to effect a reaction, followed by washing; a second step that brings a tetravalent titanium halide compound and one or more second internal electron donor compounds into contact with a product obtained by the first step to effect a reaction, followed by washing; and a third step that brings one or more third internal electron donor compounds into contact with a product obtained by the second step to effect a reaction.

  一种生产烯烃聚合用固体催化剂组分的方法可生产出一种新型的烯烃聚合用固体催化剂组分，该组分具有优异的烯烃聚合活性和聚合过程中对氢的活性，并可生产出具有高MFR、高立体规整度和优异刚性的烯烃聚合物。该方法包括第一步，使镁化合物、四价卤化钛化合物和一种或多种第一内部电子供体化合物（不包括芳香族二羧酸二酯）相互接触以发生反应，然后进行洗涤；第二步，使四价卤化钛化合物和一种或多种第二内部电子供体化合物与第一步得到的产物接触，以发生反应，然后进行洗涤；以及第三步，使一种或多种第三内部电子供体化合物与第二步得到的产物接触，以发生反应。