dimethyl 2,3-diisobutylsuccinate

• 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: dimethyl 2,3-diisobutylsuccinate
• 英文别名: 2,3-diisobutyl dimethyl succinate；Dimethyl 2,3-bis(2-methylpropyl)butanedioate；dimethyl 2,3-bis(2-methylpropyl)butanedioate
• 化学式: C₁₄H₂₆O₄
• 分子量: 258.358
• InChiKey: QNTDHCILCWMCDP-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.3
• 重原子数：
  18
• 可旋转键数：
  9
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.86
• 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：

  异戊酸 、 富马酸二甲酯 以36%的产率得到dimethyl 2,3-diisobutylsuccinate
  参考文献：
  名称：

  Champagne, Philippe J.; Renaud, Roger N., Canadian Journal of Chemistry, 1980, vol. 58, p. 1101 - 1105

  摘要：

  DOI：

文献信息

• [EN] CATALYST SYSTEM FOR POLYMERISATION OF AN OLEFIN<br/>[FR] SYSTÈME CATALYSEUR POUR LA POLYMÉRISATION D'UNE OLÉFINE
  申请人：SAUDI BASIC IND CORP

  公开号：WO2015022298A1

  公开（公告）日：2015-02-19

  The present invention relates to a catalyst system comprising a procatalyst, a co-catalyst and an external electron donor, wherein the external electron donor comprises a compound having the structure according to Formula I: Si (L)n (OR11)4-n (Formula I), wherein, Si is a silicon atom with valency 4+; O is an oxygen atom with valency 2- and O is bonded to Si via the silicon-oxygen bond; n is 1, 2, 3 or 4; R11 is a selected from the group consisting of linear, branched and cyclic alkyl having at most 20 carbon atoms and aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms; L is a group represented by (Formula II), wherein, L is bonded to the silicon atom via the nitrogen-silicon bond; L has a single substituent on the nitrogen atom, where this single substituent is an imine carbon atom; and X and Y are independently selected from the group consisting of a hydrogen atom; a heteroatom selected from group 13, 14, 15, 16 or 17 of the IUPAC Periodic Table of the Elements; a linear, branched and cyclic alkyl having at most 20 carbon atoms, optionally containing a heteroatom selected from group 13, 14, 15, 16 or 17 of the IUPAC Periodic Table of the Elements and an aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms, optionally containing a heteroatom selected from group 13, 14, 15, 16 or 7 of the IUPAC Periodic Table of the Elements.

  本发明涉及一种催化剂体系，包括原催化剂、协同催化剂和外部电子供体，其中外部电子供体包括具有以下结构的化合物：Si（L）n（OR11）4-n（式I），其中，Si是具有4价的硅原子；O是具有2价的氧原子，通过硅氧键与Si相连；n为1、2、3或4；R11选自具有最多20个碳原子的线性、支链和环烷基以及具有6至20个碳原子的芳香族取代和未取代的烃基；L是由（式II）表示的一组，其中，L通过氮硅键与硅原子相连；L在氮原子上具有单个取代基，该单个取代基为亚胺碳原子；X和Y分别选自IUPAC元素周期表的13、14、15、16或17族的杂原子、最多含有20个碳原子的线性、支链和环烷基，可以包含来自IUPAC元素周期表的13、14、15、16或17族的杂原子，以及具有6至20个碳原子的芳香族取代和未取代的烃基，可以包含来自IUPAC元素周期表的13、14、15、16或17族的杂原子。
• CATALYST SYSTEM FOR POLYMERISATION OF AN OLEFIN
  申请人：ZUIDEVELD Martin Alexander

  公开号：US20160176998A1

  公开（公告）日：2016-06-23

  The present invention relates to a catalyst system comprising a procatalyst, a co-catalyst and an external electron donor, wherein the external electron donor comprises a compound having the structure according to Formula I: Si(L) n (OR 11 ) 4-n (Formula I), wherein, Si is a silicon atom with valency 4+; O is an oxygen atom with valency 2− and O is bonded to Si via the silicon-oxygen bond; n is 1, 2, 3 or 4; R 11 is a selected from the group consisting of linear, branched and cyclic alkyl having at most 20 carbon atoms and aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms; L is a group represented by (Formula II), wherein, L is bonded to the silicon atom via the nitrogen-silicon bond; L has a single substituent on the nitrogen atom, where this single substituent is an imine carbon atom; and X and Y are independently selected from the group consisting of a hydrogen atom; a heteroatom selected from group 13, 14, 15, 16 or 17 of the IUPAC Periodic Table of the Elements; a linear, branched and cyclic alkyl having at most 20 carbon atoms, optionally containing a heteroatom selected from group 13, 14, 15, 16 or 17 of the IUPAC Periodic Table of the Elements and an aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms, optionally containing a heteroatom selected from group 13, 14, 15, 16 or 7 of the IUPAC Periodic Table of the Elements.

  本发明涉及一种催化剂体系，包括原催化剂、协同催化剂和外部电子给体，其中，外部电子给体包括具有以下结构的化合物，即式I：Si（L）n（OR11）4-n（式I），其中，Si是价态为4+的硅原子；O是价态为2-的氧原子，通过硅氧键与Si相连；n为1、2、3或4；R11是从线性、支链和环烷烃中选择的，其最多含有20个碳原子，并且是芳香取代和未取代的烃基，其碳原子数为6至20个；L是由式II表示的基团，其中，L通过氮硅键与硅原子连接；L在氮原子上有一个单取代基团，该单取代基团是亚胺碳原子；X和Y独立地选择自元素周期表中第13、14、15、16或17族的杂原子、最多含有20个碳原子的线性、支链和环烷烃，可选含有元素周期表中第13、14、15、16或17族的杂原子和含有6至20个碳原子的芳香取代和未取代的烃基，可选含有元素周期表中第13、14、15、16或17族的杂原子。
• COMPOSITION COMPRISING HETEROPHASIC PROPYLENE COPOLYMER
  申请人：SABIC Global Technologies B.V.

  公开号：EP3181625A1

  公开（公告）日：2017-06-21

  The invention relates to a composition comprising (A) a heterophasic propylene copolymer and (B) a nucleating composition, wherein (A) the heterophasic propylene copolymer consists of (a) a propylene-based matrix, wherein the propylene-based matrix consists of a propylene homopolymer and wherein the propylene-based matrix is present in an amount of 83 to 88 wt%, preferably 84 to 88 wt%, based on the total heterophasic propylene copolymer and (b) a dispersed ethylene-α-olefin copolymer, wherein the dispersed ethylene-α-olefin copolymer is present in an amount of 12 to 17 wt%, preferably of 12 to 16 wt%, based on the total heterophasic propylene copolymer and wherein the sum of the total amount of propylene-based matrix and total amount of the dispersed ethylene-α-olefin copolymer in the heterophasic propylene copolymer is 100 wt%, wherein the amount of ethylene in the ethylene-α-olefin copolymer is 40 to 60 wt% and wherein the heterophasic propylene copolymer has a melt flow index of 35 to 50 g/10min as determined according to IS01133 at 230 °C and 2.16 kg and wherein (B) the nucleating composition comprises (i) a first nucleating agent, which comprises a cyclic dicarboxylate salt compound; and (ii) a second nucleating agent, which comprises talc, wherein the cyclic dicarboxylate salt compound has the formula (I): Ph (COO-)2Ca2+ (I).

  本发明涉及一种组合物，包括 (A) 异相丙烯共聚物和 (B) 成核组合物。 和(B)成核组合物、 其中 (A) 异相丙烯共聚物包括 (a) 丙烯基基质、 其中丙烯基基体由丙烯均聚物组成，丙烯基基体的含量为异相丙烯共聚物总量的 83-88wt%，优选 84-88wt%，以及 (b) 分散乙烯-α-烯烃共聚物、 其中分散乙烯-α-烯烃共聚物的存在量为杂相丙烯共聚物总量的 12-17wt%，优选 12-16wt%，以及 其中异相丙烯共聚物中丙烯基体的总量和分散乙烯-α-烯烃共聚物的总量之和为 100 wt%、 其中乙烯-α-烯烃共聚物中的乙烯含量为 40 至 60 wt%，杂相丙烯共聚物的熔体流动指数为 35 至 50 g/10min（根据 IS01133，在 230 °C 和 2.16 kg 条件下测定）；以及 其中 (B) 成核组合物包括 (i) 第一成核剂，包括环二羧酸盐化合物；和 (ii) 第二成核剂，包括滑石粉、 其中环状二羧酸盐化合物具有式 (I)：Ph (COO-)2Ca2+ (I).
• Catalyst system for polymerization of an olefin
  申请人：Saudi Basic Industries Corporation

  公开号：US10000591B2

  公开（公告）日：2018-06-19

  A process for the preparation of a catalyst system for olefin polymerization, including: A) providing said procatalyst obtainable via a process comprising: i) contacting a compound R4zMgX42-z with an alkoxy- or aryloxy-containing silane compound to give a first intermediate reaction product, ii) optionally contacting the solid product obtained in step i) with at least one activating compound selected from an activating electron donor or metal alkoxide compound; iii) contacting the first or second intermediate reaction product, with a halogen-containing Ti-compound and optionally an internal electron donor to obtain the procatalyst; and B) contacting the procatalyst with a co-catalyst and at least diethylaminotriethoxysilane as the external donor. Further disclosed is a catalyst system obtained by the process; a process for preparing a polyolefin by contacting at least one olefin with the catalyst system; a polyolefin obtained thereby; a composition comprising a propylene-ethylene copolymer; a shaped article thereof; and use of the polyolefin.

  一种制备烯烃聚合催化剂体系的工艺，包括A) 提供可通过以下工艺获得的所述原催化剂，该工艺包括i) 将化合物 R4zMgX42-z 与含烷氧基或芳基氧基的硅烷化合物接触，得到第一中间反应产物； ii) 可选地将步骤 i) 中得到的固体产物与至少一种选自活化电子供体或金属氧化物化合物的活化化合物接触；iii) 将第一或第二中间反应产物与含卤素的 Ti 化合物和可选的内部电子供体接触，得到原催化剂；以及 B) 将原催化剂与助催化剂和至少作为外部供体的二乙胺三乙氧基硅烷接触。进一步公开了通过该工艺获得的催化剂体系；通过将至少一种烯烃与该催化剂体系接触制备聚烯烃的工艺；由此获得的聚烯烃；包含丙烯-乙烯共聚物的组合物；其成型品；以及该聚烯烃的用途。
• Process for manufacture of low emission polypropylene
  申请人：SABIC Global Technologies B.V.

  公开号：US10435552B2

  公开（公告）日：2019-10-08

  The present invention relates to a heterophasic propylene copolymer consisting of a propylene-based matrix and a dispersed ethylene-a-olefin copolymer, wherein the heterophasic propylene copolymer has a melt flow rate of at least 40 g/10 min as determined in accordance with ISO 1 133 (230° C., 2.16 kg) and a FOG value of at most 350 μg/g as determined by VDA 278.

  本发明涉及一种异相丙烯共聚物，由丙烯基体和分散的乙烯-a-烯烃共聚物组成，其中异相丙烯共聚物的熔体流动速率至少为 40 克/10 分钟（根据 ISO 1 133 标准测定）（230°C，2.16 千克），FOG 值最多为 350 微克/克（根据 VDA 278 标准测定）。