2,3-Di-isopropyl-bernsteinsaeuredimethylester | 98475-00-4

• 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: 2,3-Di-isopropyl-bernsteinsaeuredimethylester
• 英文别名: 1,4-Dimethyl 2,3-bis(propan-2-YL)butanedioate；dimethyl 2,3-di(propan-2-yl)butanedioate
• CAS: 98475-00-4
• 化学式: C₁₂H₂₂O₄
• 分子量: 230.304
• InChiKey: VLBGVMNHXLGAKK-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.6
• 重原子数：
  16
• 可旋转键数：
  7
• 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

• 作为产物：
  描述：

  2-溴代异戊酸甲酯 在 copper dichloride 、 锌 作用下， 以 四氢呋喃 为溶剂， 生成 2,3-Di-isopropyl-bernsteinsaeuredimethylester
  参考文献：
  名称：

  Preparation of Alkyl-Substituted Succinic Esters by Coupling of α-Halogenated Esters

  摘要：

  DOI：

  10.1055/s-1971-35045

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 for olefin polymerization and use of the same
  申请人：Gao Mingzhi

  公开号：US20060142146A1

  公开（公告）日：2006-06-29

  The present application discloses a catalyst for olefin polymerization, comprising a product of the following components: (A) solid titanium-containing catalyst component comprising magnesium, titanium and halogen as essential components; (B) organo-aluminum compound catalyst component, and (C) silicon ether compound catalyst component, the silicon ether compound being represented by a general formula (I): wherein R 1 -R 12 and A are as defined in the description.

  本申请公开了一种用于烯烃聚合的催化剂，包括以下组分的产物：（A）固体钛催化剂组分，包括镁、钛和卤素作为必需组分；（B）有机铝化合物催化剂组分；（C）硅醚化合物催化剂组分，其中硅醚化合物由通式（I）表示：其中R1-R12和A如描述中所定义。
• PROCESS FOR PREPARING 2,3-DI-NON-STRAIGHT-ALKYL-2-CYANOSUCCINIC ACID DIESTERS
  申请人：Xie Lunjia

  公开号：US20120046490A1

  公开（公告）日：2012-02-23

  A process for preparing 2,3-di(non-linear-alkyl)-2-cyanosuccinate compounds, especially 2,3-diisopropyl-2-cyanosuccinate compounds, and processes for preparing 2,3-di(non-linear-alkyl)succinic acids and esters thereof by using the 2,3-di-non-linear propyl-2-cyanosuccinate compounds as intermediates are disclosed.

  本发明揭示了一种制备2,3-二(非线性烷基)-2-氰基琥珀酸酯化合物的方法，特别是2,3-二异丙基-2-氰基琥珀酸酯化合物的方法，并且通过使用2,3-二(非线性烷基)丙二酸及其酯类的制备方法，以2,3-二非线性丙基-2-氰基琥珀酸酯化合物作为中间体。
• 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。
• SPHERICAL CATALYST COMPONENT FOR OLEFIN POLYMERIZATION REACTION AND CATALYST THEREOF
  申请人：China Petroleum & Chemical Corporation

  公开号：EP1767548A1

  公开（公告）日：2007-03-28

  The present invention provides a spheric catalyst component as well as a catalyst for olefin polymerization. The spheric catalyst component comprises at least one titanium compound and optionally at least one electron donor compound supported on an active magnesium halide spheric carrier, wherein the active magnesium halide spheric carrier is solid particles obtained by dispersing a melt of a magnesium halide/alcohol adduct by rotation under high-gravity field. The catalyst has good particle morphology and narrow particle size distribution, and when used in olefin polymerization, especially in propylene polymerization, exhibits relatively high activity and stereoelectivity, and gives polymers having good particle morphology and high bulk density.

  本发明提供了一种球形催化剂组分以及一种用于烯烃聚合的催化剂。球形催化剂组分包括至少一种钛化合物和可选的至少一种电子供体化合物，它们被支撑在活性卤化镁球形载体上，其中活性卤化镁球形载体是通过在高重力场下旋转分散卤化镁/醇加合物熔体而得到的固体颗粒。该催化剂具有良好的颗粒形态和较窄的粒度分布，用于烯烃聚合，特别是丙烯聚合时，具有相对较高的活性和立体选择性，并可得到具有良好颗粒形态和较高堆积密度的聚合物。