(Z)-2-Butyl-but-2-enedioic acid diethyl ester | 128040-96-0

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 英文名称: (Z)-2-Butyl-but-2-enedioic acid diethyl ester
• 英文别名: Diethyl 2-1-butylmaleate；diethyl (Z)-2-butylbut-2-enedioate
• CAS: 128040-96-0
• 化学式: C₁₂H₂₀O₄
• 分子量: 228.288
• InChiKey: MJXUIWOBYQQHRY-KTKRTIGZSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.8
• 重原子数：
  16
• 可旋转键数：
  9
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.67
• 拓扑面积：
  52.6
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为产物：
  描述：

  1,2-bis-(ethoxycarbonyl) ethylidene triphenylphosphorane 在 苯甲酸 、 lithium diisopropyl amide 作用下， 以 四氢呋喃 、 甲苯 为溶剂， 反应 4.0h， 生成 (Z)-2-Butyl-but-2-enedioic acid diethyl ester
  参考文献：
  名称：

  新的内酯阴离子。取代的富马酸酯的乙烯基阴离子当量

  摘要：

  报道了一种新型的内酯阴离子，其在烷基化和消除三苯膦后可作为乙烯基阴离子当量。

  DOI：

  10.1016/0040-4039(81)80105-0

文献信息

• Olefin polymerization catalyst and process for preparing polypropylene and propylene block copolymer
  申请人：——

  公开号：US20010044375A1

  公开（公告）日：2001-11-22

  Olefin polymerization catalysts are formed from: (I-1) a contact product obtained by contacting (A) a solid titanium catalyst component, (B) an organometallic compound catalyst component, and (C) a specific organosilicon compound, (D) a specific polyether compound and, optionally, (II-1) (III) an organometallic compound catalyst component; or (I-2) a contact product obtained by contacting (A) a solid titanium catalyst component, (B) an organometallic compound catalyst component, and (D) a specific polyether compounds, (C) a specific organosilicon compound, and, optionally, (II-2) (III) an organometallic compound catalyst component; or the contact product (I-1) or (I-2) may be replaced by one which is obtained by prepolymerizing an olefin of 2 or more carbon atoms in the presence of the catalyst components for the contact product (I-1) or (I-2).

  烯烃聚合催化剂是由以下成分形成的：（I-1）通过接触（A）固体钛催化剂成分，（B）有机金属化合物催化剂成分和（C）特定的有机硅化合物，（D）特定的聚醚化合物以及可选的（II-1）（III）有机金属化合物催化剂成分；或者（I-2）通过接触（A）固体钛催化剂成分，（B）有机金属化合物催化剂成分和（D）特定的聚醚化合物，（C）特定的有机硅化合物以及可选的（II-2）（III）有机金属化合物催化剂成分获得的接触产物；或者接触产物（I-1）或（I-2）可以被在催化剂成分的存在下预聚合2个或更多碳原子的烯烃所取代。
• (Cycloalkyl) methyl silanes as external donors for polyolefin catalysts
  申请人：——

  公开号：US20020028893A1

  公开（公告）日：2002-03-07

  One aspect of the present invention relates to a catalyst system for use in olefinic polymerization, containing a solid titanium catalyst component; an organoaluminum compound having at least one aluminum-carbon bond; and an organosilicon compound comprising a (cycloalkyl)methyl group. Another aspect of the present invention relates to a method of making a catalyst for use in olefinic polymerization, involving the steps of reacting a Grignard reagent having a (cycloalkyl)methyl group with an orthosilicate to provide an organosilicon compound having a (cycloalkyl)methyl moiety; and combining the organosilicon compound with an organoaluminum compound having at least one aluminum-carbon bond and a solid titanium catalyst component to form the catalyst.

  本发明的一个方面涉及用于烯烃聚合的催化剂体系，包含固体钛催化剂组分；至少具有一个铝-碳键的有机铝化合物；以及包含一个（环烷基）甲基基团的有机硅化合物。本发明的另一个方面涉及一种制备用于烯烃聚合的催化剂的方法，包括以下步骤：将具有（环烷基）甲基基团的格氏试剂与正硅酸盐反应，以提供具有（环烷基）甲基基团的有机硅化合物；并将有机硅化合物与至少具有一个铝-碳键的有机铝化合物和固体钛催化剂组分结合，形成催化剂。
• Spherical catalyst for olefin polymerization
  申请人：Zhu Zhidong

  公开号：US20050164873A1

  公开（公告）日：2005-07-28

  Disclosed are catalyst systems and methods of making the catalyst systems/supports for the polymerization of an olefin containing a solid titanium catalyst component having a substantially spherical shape and containing a titanium compound and a support made from a magnesium compound and an alkyl silicate. The catalyst system may further contain an organoaluminum compound and an organosilicon compound. Also disclosed are methods of making an impact copolymer involving polymerizing an olefin to provide a polyolefin matrix and polymerizing a polyolefin rubber using a solid titanium catalyst component containing a titanium compound and a support made from a magnesium compound and an alkyl silicate.

  本发明涉及催化剂系统及其制备方法和聚合物的制备方法，其中所述催化剂系统/支撑体用于含有固体钛催化剂组分的烯烃聚合，该组分具有基本球形形状，包含钛化合物和由镁化合物和烷基硅酸酯制成的支撑体。所述催化剂系统还可以包含有机铝化合物和有机硅化合物。本发明还涉及一种制备共聚物的方法，该方法包括聚合烯烃以提供聚烯烃基体和使用含有钛化合物和由镁化合物和烷基硅酸酯制成的支撑体的固体钛催化剂组分聚合聚烯烃橡胶。
• Components and catalysts for the polymerization of olefins
  申请人：——

  公开号：US20040014595A1

  公开（公告）日：2004-01-22

  The present invention relates to a solid catalyst component for the polymerization of olefins CH 2 ═CHR in which R is hydrogen or a hydrocarbon radical with 1-12 carbon atoms, comprising Mg, Ti, halogen and an electron donor selected from maleates of a particular formula. Said catalyst components when used in the polymerization of olefins, and in particular of propylene, are capable to give polymers in high yields and with high isotactic index expressed in terms of high xylene insolubility.

  本发明涉及一种用于聚合烯烃CH2═CHR的固体催化剂组分，其中R是氢或具有1-12个碳原子的碳氢基团，包括Mg、Ti、卤素和从特定公式的马来酸酯中选择的电子给体。当在聚合烯烃，特别是丙烯的聚合中使用该催化剂组分时，能够以高收率和高异构指数的形式给出聚合物，该异构指数以高二甲苯不溶性表示。
• Catalyst composition and process for polymerizing olefins
  申请人：MITSUI PETROCHEMICAL INDUSTRIES, LTD.

  公开号：EP0086645A2

  公开（公告）日：1983-08-24

  A process for producing an olefin polymer or copolymer which comprises polymerizing or copolymerizing olefins or copolymerizing an olefin with up to 5 mole% of a diolefin in the presence of a catalyst comprising a titanium catalyst component containing magnesium, titanium, halogen and an electron donor, an organoaluminum catalyst component and a third catalyst component, characterized in that said catalyst is composed of (A) a titanium catalyst component containing magnesium, titanium, halogen and an electron donor as essential ingredients, said electron donor being selected from the group consisting of (a) esters of polyfunctional compounds selected from polycarboxylic acids having 5 to 36 carbon atoms, polyhydroxy compounds having 6 to 28 carbon atoms and hydroxy-substituted carboxylic acids having 10 to 28 carbon atoms, (b) monocarboxylic acid esters of the formula RCOOR' in which each of R and R' represents a hydrocarbyl group having 1 to 20 carbon atoms, and at least one of them represents a branched-chain group, an alicyclic group, or an aryl ring-containing linear group, and (c) carbonic acid esters having 6 to 18 carbon atoms, (B) an organoaluminum compound, and (C) a substituted methylenediamine compound as a third component; and a catalyst composition used therefor.

  一种生产烯烃聚合物或共聚物的工艺，包括在催化剂存在下，使烯烃聚合或共聚，或使烯烃与不超过 5 摩尔%的二烯烃共聚，催化剂包括含镁、钛、卤素和电子供体的钛催化剂组分、有机铝催化剂组分和第三种催化剂组分，其特征在于所述催化剂由以下组分组成 (A) 以镁、钛、卤素和电子供体为基本成分的钛催化剂组分，所述电子供体选自以下 组别 (a) 选自具有 5 至 36 个碳原子的多羧酸、具有 6 至 28 个碳原子的多羟基化合物和 具有 10 至 28 个碳原子的羟基取代羧酸的多官能化合物的酯、 (b) 式 RCOOR'的单羧酸酯，其中每个 R 和 R'代表具有 1 至 20 个碳原子 的烃基，且至少有一个代表支链基、脂环基或含芳基环的线性基， 以及 (c) 具有 6 至 18 个碳原子的碳酸酯、 (B) 有机铝化合物，以及 (C) 作为第三组分的取代亚甲基二胺化合物； 以及用于其中的催化剂组合物。