Ethyl-dibenzyl-phosphin | 93017-29-9

• 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: Ethyl-dibenzyl-phosphin
• 英文别名: ethyl-dibenzyl-phosphine；Aethyl-dibenzyl-phosphin；Dibenzyl-ethylphosphine；dibenzyl(ethyl)phosphane
• CAS: 93017-29-9
• 化学式: C₁₆H₁₉P
• 分子量: 242.301
• InChiKey: MDZKNJAPXMTNBE-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.3
• 重原子数：
  17
• 可旋转键数：
  5
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  0

反应信息

• 作为反应物：
  描述：

  Ethyl-dibenzyl-phosphin 生成 Methyl-ethyl-butyl-benzyl-phosphonium
  参考文献：
  名称：

  Horner,L.; Mentrup,A., Justus Liebigs Annalen der Chemie, 1961, vol. 646, p. 65 - 77

  摘要：

  DOI：
• 作为产物：
  描述：

  三苄基膦 以 乙腈 为溶剂， 生成 Ethyl-dibenzyl-phosphin
  参考文献：
  名称：

  Horner,L.; Mentrup,A., Justus Liebigs Annalen der Chemie, 1961, vol. 646, p. 65 - 77

  摘要：

  DOI：

文献信息

• METHOD FOR PRODUCING CATALYST FOR CYCLIC CARBONATE SYNTHESIS
  申请人：MARUZEN PETROCHEMICAL CO., LTD.

  公开号：US20160108071A1

  公开（公告）日：2016-04-21

  The present invention provides a method for easily and inexpensively producing a heterogeneous catalyst used to synthesize a cyclic carbonate by reacting an epoxide with carbon dioxide and having excellent catalyst activity; a catalyst obtained using said manufacturing method; and a method for synthesizing a cyclic carbonate using said catalyst. A method for producing a catalyst that is used for the purpose of synthesizing a cyclic carbonate by subjecting to a reaction an epoxide with carbon dioxide, said method comprising the following steps (a) and (b): (a) a step of obtaining a catalyst precursor having a haloalkyl group or a haloaryl group by reacting a silane compound with a silica gel in the presence of xylene, the silane compound having a haloalkyl group or a haloaryl group and (b) a step of obtaining a catalyst for synthesizing a cyclic carbonate by reacting the catalyst precursor obtained in step (a) with a tertiary phosphine.

  本发明提供了一种用于通过将环氧化合物与二氧化碳反应来合成环状碳酸酯的异质催化剂的简便且廉价的生产方法；采用所述制备方法获得的催化剂；以及使用该催化剂合成环状碳酸酯的方法。用于生产一种用于合成环状碳酸酯的催化剂的方法，通过将环氧化合物与二氧化碳反应，该方法包括以下步骤(a)和(b)：(a)通过在二甲苯存在下将硅烷化合物与二氧化硅反应以获得具有卤代烷基或卤代芳基的催化剂前驱体的步骤，其中所述硅烷化合物具有卤代烷基或卤代芳基；以及(b)通过将步骤(a)中获得的催化剂前驱体与三膦反应以获得用于合成环状碳酸酯的催化剂的步骤。
• PROCESS FOR PRODUCING POLYOXYMETHYLENE COPOLYMER
  申请人：MITSUBISHI GAS CHEMICAL COMPANY, INC.

  公开号：EP1876193A1

  公开（公告）日：2008-01-09

  The problem to be solved is to provide a process for producing a polyoxymethylene copolymer in a molding machine with a reduced generation of formaldehyde gas. In a process for continuously producing a polyoxymethylene copolymer comprising a step of melt-kneading a crude polyoxymethylene copolymer at a temperature not lower than the melting point thereof, devolatilizing under reduced pressure the formaldehyde gas generated as a decomposition product, subsequently mixing a formaldehyde scavenger containing a hydrazide compound (A) while keeping the copolymer in a molten state and immediately pelletizing the mixture, a dispersed solution obtained by slurry-dispersing said (A) in a diluent (B) having a melting point lower than temperature (Ta) which is the lower of the melting point and the decomposition temperature of (A), within a temperature range not lower than the melting point of (B) and lower than (Ta) is used as the formaldehyde scavenger.

  要解决的问题是提供一种在成型机中生产聚甲醛共聚物的工艺，该工艺可减少甲醛气体的产生。在一种连续生产聚甲醛共聚物的工艺中，包括以下步骤：在不低于熔点的温度下对粗聚甲醛共聚物进行熔融捏合，在减压下使作为分解产物产生的甲醛气体脱溶，随后在保持共聚物处于熔融状态的同时混合含有酰肼化合物（A）的甲醛清除剂，并立即对混合物进行造粒、将所述 (A) 在稀释剂 (B) 中进行浆状分散而得到的分散溶液用作甲醛清除剂，稀释剂 (B) 的熔点低于 (A) 的熔点和分解温度中较低的温度 (Ta)，温度范围不低于 (B) 的熔点且低于 (Ta)。
• METHOD FOR MANUFACTURING CATALYST FOR SYNTHESIZING CYCLIC CARBONATE
  申请人：Maruzen Petrochemical Co., Ltd.

  公开号：EP2990112A1

  公开（公告）日：2016-03-02

  The present invention provides a method for easily and inexpensively producing a heterogeneous catalyst used to synthesize a cyclic carbonate by reacting an epoxide with carbon dioxide and having excellent catalyst activity; a catalyst obtained using said manufacturing method; and a method for synthesizing a cyclic carbonate using said catalyst. A method for producing a catalyst that is used for the purpose of synthesizing a cyclic carbonate by subjecting to a reaction an epoxide with carbon dioxide, said method comprising the following steps (a) and (b): (a) a step of obtaining a catalyst precursor having a haloalkyl group or a haloaryl group by reacting a silane compound with a silica gel in the presence of xylene, the silane compound having a haloalkyl group or a haloaryl group and (b) a step of obtaining a catalyst for synthesizing a cyclic carbonate by reacting the catalyst precursor obtained in step (a) with a tertiary phosphine.

  本发明提供了一种通过使环氧化物与二氧化碳反应来合成环状碳酸盐并具有优异催化剂活性的异相催化剂的简便廉价的生产方法；利用所述生产方法获得的催化剂；以及利用所述催化剂合成环状碳酸盐的方法。 一种用于通过环氧化物与二氧化碳反应合成环状碳酸盐的催化剂的生产方法，所述方法包括以下步骤(a)和(b)： (a) 在二甲苯存在下，通过硅烷化合物与硅胶反应，获得具有卤代烷基或卤代芳基 的催化剂前体，该硅烷化合物具有卤代烷基或卤代芳基，以及 (b) 将步骤(a)中得到的催化剂前体与叔膦反应，得到合成环状碳酸酯的催化剂。
• Method for producing silica gel-immobolized phosphonium salt catalysts
  申请人：MARUZEN PETROCHEMICAL CO., LTD.

  公开号：US10011621B2

  公开（公告）日：2018-07-03

  Disclosed herein is a method for producing silica gel-immobilized phosphonium salt catalysts including the steps of (a) reacting a silane compound with a silica gel in the presence of xylene, to obtain a catalyst precursor having a haloalkyl group or a haloaryl group, wherein the silane compound has a haloalkyl group or a haloaryl group, and a proportion of the silane compound is from 0.001 to 0.06 mol relative to 1 mol of the silica gel, and (b) reacting the catalyst precursor with a tertiary phosphine in xylene, to obtain a catalyst for synthesizing a cyclic carbonate, in which the silane compound is represented by formula (1), and the tertiary phosphine is represented by formula (2): X—R1—Si(OR2)3  (1)

  本发明公开了一种生产硅胶固定化鏻盐催化剂的方法，包括以下步骤：(a)在二甲苯存在下，使硅烷化合物与硅胶反应，得到具有卤代烷基或卤代芳基的催化剂前体，其中硅烷化合物具有卤代烷基或卤代芳基，硅烷化合物的比例为0.001至0.06摩尔相对于1摩尔硅胶，以及(b)将催化剂前体与叔膦在二甲苯中反应，得到合成环状碳酸盐的催化剂，其中硅烷化合物用式(1)表示，叔膦用式(2)表示： X-R1-Si(OR2)3 (1)
• Method for producing catalyst for cyclic carbonate synthesis
  申请人：MARUZEN PETROCHEMICAL CO., LTD.

  公开号：US10029241B2

  公开（公告）日：2018-07-24

  A method for easily producing a heterogeneous catalyst having excellent catalytic activity at a low cost is provided. The heterogeneous catalyst is used for the purpose of synthesizing a cyclic carbonate by reacting an epoxide and carbon dioxide. A catalyst obtained by this production method and a method for synthesizing a cyclic carbonate with use of this catalyst are also provided.

  本发明提供了一种以低成本轻松生产具有优异催化活性的异相催化剂的方法。该异相催化剂用于通过环氧化物和二氧化碳的反应合成环碳酸盐。此外，还提供了一种通过这种生产方法获得的催化剂和一种利用这种催化剂合成环状碳酸盐的方法。