2-methyl-2-benzyl-1,3-dimethoxypropane | 344781-28-8

• 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-methyl-2-benzyl-1,3-dimethoxypropane
• 英文别名: 2-Methyl-2-benzyl-1,3-dimethoxypropan；[3-Methoxy-2-(methoxymethyl)-2-methylpropyl]benzene
• CAS: 344781-28-8
• 化学式: C₁₃H₂₀O₂
• 分子量: 208.301
• InChiKey: UKEUPAFEWAEVGQ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.5
• 重原子数：
  15
• 可旋转键数：
  6
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.54
• 拓扑面积：
  18.5
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  2-methyl-2-benzyl-1,3-dimethoxypropane 在 三氟化硼乙醚 、 水 、 phenyl(hydroxy)(tetrafluoroborato)-λ³-iodane 18-crown-6 complex (1:1) 作用下， 以 二氯甲烷 为溶剂， 反应 6.0h， 以67%的产率得到3-(4-fluorophenyl)-2-(methoxymethyl)-2-methylpropyl methyl ether
  参考文献：
  名称：

  Hypervalent phenyl-λ3-iodane-mediated para-selective aromatic fluorination of 3-phenylpropyl ethers

  摘要：

  3-苯丙基醚在 BF3–Et2O 和水的存在下，与活化的碘苯单体·18-冠-6 复合物 [PhI(OH)BF4·18C6] 反应，导致苯环的邻位选择性单氟化，通过相邻的醇氧基团参与， regioselectively 生成 3-(4-氟苯基)丙基醚，产率良好。

  DOI：

  10.1039/c1cc10215j

文献信息

• [EN] PROCESS FOR THE DI-O-ALKYLATION OF 1,3-DIOLS TO 1,3-DIETHERS<br/>[FR] PROCÉDÉ DE DI-O-ALKYLATION DE 1,3-DIOLS EN 1,3-DIÉTHERS
  申请人：SABIC GLOBAL TECHNOLOGIES BV

  公开号：WO2021004760A1

  公开（公告）日：2021-01-14

  The present invention relates to a process for the di-O-alkylation of a 1,3-diol according to Formula I (I), said process comprising reacting said 1,3-diol with dioxane, an aliphatic or aromatic hydrocarbon solvent, an alkali metal hydroxide, and dimethyl sulphate, in order to obtain a 1,3-diether according to Formula II (II), wherein R1 and R2 are each independently a hydrogen atom or a hydrocarbyl group selected from alkyl, alkenyl, aryl, aralkyl, or alkylaryl groups, and one or more combinations thereof. The process according to the invention is an improved process for preparing 1,3-diether, such as 9,9-bis(methoxymethyl)fluorene, in a high yield and/or having a high purity. 9,9-bis(methoxymethyl)fluorene is a compound that is used as an electron donor for Ziegler-Natta catalysts.

  本发明涉及一种根据式I（I）进行1,3-二醇的二-O-烷基化的方法，所述方法包括将所述1,3-二醇与二噁烷、脂肪族或芳香烃溶剂、碱金属氢氧化物和硫酸二甲酯反应，以获得根据式II（II）的1,3-二醚，其中R1和R2分别独立地是氢原子或从烷基、烯基、芳基、芳基烷基或烷基芳基组中选择的烃基团，以及一个或多个组合。根据本发明的方法是一种改进的制备1,3-二醚的方法，例如9,9-双（甲氧甲基）芴，其产率高和/或纯度高。9,9-双（甲氧甲基）芴是一种用作Ziegler-Natta催化剂的电子给体的化合物。
• PROPYLENE COPOLYMER, POLYPROPYLENE COMPOSITION AND USES THEREOF, TRANSITION METAL COMPOUND AND OLEFIN POLYMERIZATION CATALYST
  申请人：Ikenaga Shigenobu

  公开号：US20080312461A1

  公开（公告）日：2008-12-18

  A transition metal compound represented by the following formula (2a):

  一个以以下公式（2a）表示的过渡金属化合物：
• Catalyst system for polymerisation of an olefin
  申请人：Saudi Basic Industries Corporation

  公开号：EP2837634A1

  公开（公告）日：2015-02-18

  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 (OR1)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; R1 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 17 of the IUPAC Periodic Table of the Elements.

  本发明涉及一种催化剂体系，包括前催化剂、共催化剂和外部电子给体，其中所述外部电子给体包括具有以下结构的化合物，其符号如下：         Si(L)n(OR1)4-n     （式I） 其中， Si是一个价态为4+的硅原子； O是一个价态为2-的氧原子，并且O通过硅氧键与Si相连； n为1、2、3或4； R1选择自线性、支链和环烷基，其最多有20个碳原子，以及含有6至20个碳原子的芳香基取代和未取代的碳氢基； L是由以下式子表示的一个基团，其中， L通过氮硅键与硅原子相连； L在氮原子上有一个单取代基团，其中这个单取代基团是一个亚胺碳原子； X和Y独立地选择自氢原子；IUPAC元素周期表的13、14、15、16或17族中的杂原子；最多有20个碳原子的线性、支链和环烷基，可选地含有IUPAC元素周期表的13、14、15、16或17族中的杂原子；以及含有6至20个碳原子的芳香基取代和未取代的碳氢基，可选地含有IUPAC元素周期表的13、14、15、16或17族中的杂原子。
• [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。
• Solid catalyst component for polymerization of olefins, catalyst comprising the same and use thereof
  申请人：Gao Mingzhi

  公开号：US20050239636A1

  公开（公告）日：2005-10-27

  The present invention provides a solid catalyst component for the polymerization of olefins, comprising magnesium, titanium, a halogen and an electron donor, wherein said electron donor comprises at least one selected from the group consisting of polyol ester compounds of the formula (I): R 1 CO—O—CR 3 R 4 -A-CR 5 R 6 —O—CO—R 2 (I) wherein, R 1 and R 2 groups, which may be identical or different, can be substituted or unsubstituted hydrocarbyl having 1 to 20 carbon atoms, R 3 -R 6 groups, which may be identical or different, can be selected from the group consisting of hydrogen, halogen or substituted or unsubstituted hydrocarbyl having 1 to 20 carbon atoms, R 1 -R 6 groups optionally contain one or more hetero-atoms replacing carbon, hydrogen atom or the both, said hetero-atom is selected from the group consisting of nitrogen, oxygen, sulfur, silicon, phosphorus and halogen atom, two or more of R 3 -R 6 groups can be linked to form saturated or unsaturated monocyclic or polycyclic ring; A is a single bond or bivalent linking group with chain length between two free radicals being 1-10 atoms, wherein said bivalent linking group is selected from the group consisting of aliphatic, alicyclic and aromatic bivalent radicals, and can carry C 1 -C 20 linear or branched substituents; one or more of carbon atom and/or hydrogen atom on above-mentioned bivalent linking group and substituents can be replaced by a hetero-atom selected from the group consisting of nitrogen, oxygen, sulfur, silicon, phosphorus, and halogen atom, and two or more said substituents on the linking group as well as above-mentioned R 3 -R 6 groups can be linked to form saturated or unsaturated monocyclic or polycyclic ring.

  本发明提供了一种用于烯烃聚合的固体催化剂组分，包括镁、钛、卤素和电子给体，其中所述电子给体包括以下至少一种选择自聚醇酯化合物组的化合物（I）：R1CO—O—CR3R4-A-CR5R6—O—CO—R2（I）其中，R1和R2基团可以相同或不同，可以是取代或未取代的1至20个碳原子的烃基，R3-R6基团可以相同或不同，可以选择自氢、卤素或取代或未取代的1至20个碳原子的烃基的群组中，R1-R6基团可以选用一个或多个杂原子代替碳、氢原子或两者，所述杂原子选择自氮、氧、硫、硅、磷和卤素原子的群组，R3-R6基团中的两个或更多个可以连接形成饱和或不饱和的单环或多环环；A是单键或双价连接基团，链长在两个自由基之间为1-10个原子，其中所述双价连接基团选自脂肪族、环脂族和芳香族双价基团的群组，可以携带C1-C20线性或支链取代基；上述双价连接基团和取代基上的一个或多个碳原子和/或氢原子可以被选择自氮、氧、硫、硅、磷和卤素原子的群组中的杂原子取代，两个或更多所述取代基在连接基团上以及上述R3-R6基团中可以连接形成饱和或不饱和的单环或多环环。