1-O,2-O-dibenzoyl-2-methylpropane-1,3-diol | 87092-43-1

• 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: 1-O,2-O-dibenzoyl-2-methylpropane-1,3-diol
• 英文别名: 1,3-bis-benzoyloxy-2-methyl-propane；1,3-Bis-benzoyloxy-2-methyl-propan；(3-Benzoyloxy-2-methylpropyl) benzoate
• CAS: 87092-43-1
• 化学式: C₁₈H₁₈O₄
• 分子量: 298.339
• InChiKey: RQLZEKDPPDZIJR-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.1
• 重原子数：
  22
• 可旋转键数：
  8
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.22
• 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-O,2-O-dibenzoyl-2-methylpropane-1,3-diol 在 辛醇 、 Pseudomonas sp. lipase PS*celite 作用下， 以 异丙醚 为溶剂， 生成 (R)-1-O-benzoyl-2-methylpropane-1,3-diol
  参考文献：
  名称：

  脂肪酶催化的二醇二苯甲酸酯的醇解：选择性酶促获得1,2-丙二醇的2-苯甲酸酯和对映体纯的（R）-1 - O-苯甲酰基-2-甲基丙烷-1,3-二醇的制备

  摘要：

  已经在有机溶剂中使用不同来源的脂肪酶研究了1-2-丙二醇与1,2-丙二醇二苯甲酸酯的酶脱苯甲酰化反应。通常，尽管该反应以低对映选择性进行，但是在二异丙醚中缓慢，高度区域选择性的醇解仅提供在仲羟基上被苯甲酰化的单酯。在存在洋葱假单胞菌的脂肪酶吸附到硅藻土上，更快的反应允许（的2-苯甲酰基酯的制备- [R）-1,2-丙二醇（82％ee）和对映体纯（- [R）-1- ø -苯甲酰基-2-甲基丙烷-1,3-二醇（> 98％ee）。

  DOI：

  10.1016/j.tetasy.2005.03.019
• 作为产物：
  描述：

  2-甲基-1,3-丙二醇 、 苯甲酰氯 生成 1-O,2-O-dibenzoyl-2-methylpropane-1,3-diol
  参考文献：
  名称：

  Hydrolysis of 1,3-dihalo-isobutanes

  摘要：

  公开号：

  US02181297A1

文献信息

• Highly Efficient and Enantioselective Method for the Synthesis of Chiral Building Blocks Derived from<i>meso</i>-1,3-Propanediols
  作者：Takeshi Oriyama、Hiromoto Taguchi、Dai Terakado、Tomohumi Sano

  DOI：10.1246/cl.2002.26

  日期：2002.1

  Highly efficient, direct, and enantioselective synthesis of useful chiral building blocks with excellent ee was performed by the catalytic asymmetric acylation of meso-1,3-propanediols. A structurally most simple meso-1,3-propanediol, 2-methyl-1,3-propanediol, was asymmetrized in 96% ee catalyzed by 0.5 mol% of chiral 1,2-diamine.

  通过内消旋 1,3-丙二醇的催化不对称酰化，高效、直接和对映选择性合成具有优异 ee 的有用手性结构单元。结构上最简单的内消旋-1,3-丙二醇，即 2-甲基-1,3-丙二醇，在 0.5 mol% 的手性 1,2-二胺催化下，其 ee 不对称化率为 96%。
• 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。
• OLEFIN POLYMERIZATION CATALYST, PROCESS FOR PRODUCING OLEFIN POLYMER, POLYPROPYLENE RESIN COMPOSITION AND ARTICLE COMPRISING THE SAME
  申请人：SUMITOMO CHEMICAL COMPANY, LIMITED

  公开号：US20130109789A1

  公开（公告）日：2013-05-02

  An olefin polymerization catalyst is obtained by bringing the following components (A), (B) and (C) into contact with one another: (A) a solid catalyst component for olefin polymerization containing a titanium atom, a magnesium atom and a halogen atom; (B) an organoaluminum compound; and (C) a triether represented by formula (I). An olefin polymerization solid catalyst can be provided having a sufficiently high polymerization activity and an ability to produce an olefin polymer with a low content of low-molecular weight components and amorphous components.

  一种烯烃聚合催化剂是通过将以下组分（A）、（B）和（C）彼此接触而获得的：（A）用于烯烃聚合的固体催化剂组分，其中包含钛原子、镁原子和卤素原子；（B）有机铝化合物；以及（C）由式（I）表示的三醚。可以提供具有足够高的聚合活性和能够产生低分子量成分和非晶态成分含量低的烯烃聚合物的固体聚合催化剂。
• FLAME-RETARDANT RESIN COMPOSITION
  申请人：Harashina, Hatsuhiko, Polyplastics Co., Ltd.

  公开号：EP1630203A1

  公开（公告）日：2006-03-01

  A flame-retardant resin composition comprises a base resin (e.g., a polyester-series resin), a flame retardant (A) comprising a salt of an amino group-containing triazine compound with a sulfuric acid and/or a sulfonic acid, a flame-retardant auxiliary (B). The flame-retardant auxiliary (B) includes an aromatic resin, a cyclic urea- series compound or a derivative thereof [e.g., acetyleneurea, uric acid, a salt of melamine or a condensate thereof (e.g., melam, melem, and melon) with cyanuric acid], an amino group-containing triazine compound (e.g., melamine or a condensate thereof), and/or an inorganic metal-series compound (e.g., a metal salt of an oxygen acid having no sulfur atom, a metal oxide, a metal hydroxide, and a metal sulfide). The present invention provides a flame-retardant resin composition to which flame retardancy is imparted without using a halogen-series flame retardant and an organic phosphorus-series flame retardant.

  阻燃树脂组合物包括基础树脂（如聚酯系列树脂）、阻燃剂（A）（包括含氨基的三嗪化合物与硫酸和/或磺酸的盐）、阻燃助剂（B）。阻燃剂辅助剂（B）包括芳香族树脂、环脲系列化合物或其衍生物[如乙炔脲、尿酸、三聚氰胺的盐或其缩合物（如三聚氰胺、三聚氰胺和三聚氰胺）]、脲系列化合物或其衍生物[如乙炔脲、尿酸、三聚氰胺或其缩合物（如三聚氰胺、melem 和 melon）与三聚氰酸的盐]、含氨基的三嗪化合物（如三聚氰胺或其缩合物）和/或无机金属系列化合物（如不含硫原子的氧酸金属盐、金属氧化物、金属氢氧化物和金属硫化物）。本发明提供了一种阻燃树脂组合物，该组合物无需使用卤素系列阻燃剂和有机磷系列阻燃剂即可获得阻燃性能。
• CATALYST COMPONENTS CATALYSTS FOR OLEFINIC POLYMERIZATION AND THE USE THEREOF
  申请人：China Petroleum & Chemical Corporation

  公开号：EP1666505A1

  公开（公告）日：2006-06-07

  The present invention relates to catalyst components and catalysts for olefinic polymerization. The catalyst components utilize magnesium chloride and silica as composite support, and the particle morphology thereof can be improved by regulating the ratio of magnesium chloride to silica. Further, the purpose of stabilizing the rate of catalytic polymerization reaction and improving the particle morphology of polymer so as to meet the requirements on catalyst performance of various polymerization processes can be achieved through the combination of the supports of the catalyst. In the meantime, when used in the polymerization of propylene, the catalysts of the present invention exhibit a relatively high polymerization activity and high stereospecificity.

  本发明涉及用于烯烃聚合的催化剂组分和催化剂。催化剂组分利用氯化镁和二氧化硅作为复合载体，通过调节氯化镁和二氧化硅的比例可以改善其颗粒形态。此外，通过催化剂载体的组合，还可以达到稳定催化聚合反应速率和改善聚合物颗粒形态的目的，从而满足各种聚合工艺对催化剂性能的要求。同时，当用于丙烯聚合时，本发明的催化剂表现出相对较高的聚合活性和较高的立体特异性。