1-ethyl-1,1,3,3,3-pentamethyldisiloxane | 6231-60-3

• 分子结构分类: 有机化合物 - 有机金属化合物 - 有机类金属化合物
• 英文名称: 1-ethyl-1,1,3,3,3-pentamethyldisiloxane
• 英文别名: Ethylpentamethyldisiloxan；Disiloxane, ethylpentamethyl-；ethyl-dimethyl-trimethylsilyloxysilane
• CAS: 6231-60-3
• 化学式: C₇H₂₀OSi₂
• 分子量: 176.406
• InChiKey: AVFLLDQNZQQOOW-UHFFFAOYSA-N

物化性质

• 沸点：
  123.3±8.0 °C(Predicted)
• 密度：
  0.794±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  3.06
• 重原子数：
  10
• 可旋转键数：
  3
• 环数：
  0.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  9.2
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为产物：
  描述：

  碘甲基三甲基硅烷 在 potassium fluoride 作用下， 以 二甲基亚砜 为溶剂， 生成 1-ethyl-1,1,3,3,3-pentamethyldisiloxane
  参考文献：
  名称：

  Elimination and rearrangement reactions in synthesis of trialkyl (Fluoromethyl) silanes

  摘要：

  DOI：

  10.1007/bf00930167

文献信息

• Fe and Co Complexes of Rigidly Planar Phosphino-Quinoline-Pyridine Ligands for Catalytic Hydrosilylation and Dehydrogenative Silylation
  作者：Debashis Basu、Ryan Gilbert-Wilson、Danielle L. Gray、Thomas B. Rauchfuss、Aswini K. Dash

  DOI：10.1021/acs.organomet.8b00416

  日期：2018.8.27

  of simple and complex 1-alkenes with a variety of hydrosilanes. Catalysts derived from MesNQpy exhibited low activity. Fe-RPQpy derived catalysts favor hydrosilylation, whereas Co-RPQpy based catalysts favor dehydrogenative silylation. Catalysts derived from CoX2(iPrPQpy) convert hydrosilanes and ethylene to vinylsilanes. Related experiments were conducted on propylene to give propenylsilanes.

  制备了一种新的刚性平面PNN配体平台的Co和Fe二卤化物配合物，并将其作为烯烃氢化硅烷化的预催化剂。将Thummel的8-溴-2-（吡啶-2'-基）喹啉锂化，然后用（i- Pr）2 PCl和（C 6 F 5）2 PCl处理，得到膦-喹啉-吡啶配体，缩写为R PQpy对于R ＝i- Pr和C 6 F 5。这些配体与铁和钴的二氯化物和二溴化物形成1：1加合物。FeBr 2（iPr PQpy），FeBr 2（ArFPQpy），CoCl 2（iPr PQpy），CoBr 2（iPr PQpy）和CoCl 2（ArF PQpy）证实这些配合物的M–P–C–C–N–C–C–N部分在0.078范围内为平面不同于前几代的PNN配合物，其平面度偏差约为0.35。键距和磁性表明Fe络合物为高自旋，而钴络合物为高自旋或参与自旋平衡。还研究了R PQpy配体的NNN类似物，其中膦基被异丁烯酮取代。FeBr 2（Mes
• 단핵 철 착체 및 그것을 사용한 유기 합성 반응
  申请人：KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION 고쿠리쓰다이가쿠호진 규슈다이가쿠(520070190503)

  公开号：KR20150125983A

  公开（公告）日：2015-11-10

  식 (1)로 표시되는 철-규소 결합을 갖는 단핵 철 착물은 하이드로실릴화 반응, 수소화 반응, 카본일 화합물의 환원 반응의 3 반응에 우수한 촉매 활성을 발휘할 수 있다. (식 중, R∼R은, 서로 독립하여, 수소 원자, X로 치환되어 있어도 되는 알킬기, 아릴기, 아르알킬기 등을 나타내거나, R∼R 중 어느 하나와 R∼R 중 어느 하나의 적어도 1쌍이 하나로 합쳐진 가교 치환기를 나타내고, X는 할로젠 원자, 오가노옥시기 등을 나타내고, L은 CO 이외의 2전자 배위자를 나타내고, L이 복수 존재하는 경우, 그것들은 서로 동일해도 상이해도 되고, L이 2개인 경우, 그것들은 서로 결합하고 있어도 되며, n 및 m은 서로 독립하여 1∼3의 정수를 나타내지만, n+m은 3 또는 4를 충족시킨다.)

  具有铁-硅键合的单核铁配合物可以在氢硅化反应、氢化反应和碳碳化合物的还原反应中表现出优异的催化活性。 （在方程中，R〜R表示独立的氢原子，或者可以被取代为烷基，芳基，芳基烷基等，R〜R中的任何一个和R〜R中的任何一个至少一对表示为一个桥接取代基，X表示卤素原子，有机氧基等，L表示除CO之外的二电子受体，如果L存在多个，则它们可以相同也可以不同，如果L为2个，则它们可以相互结合，n和m是独立的整数1-3，但n+m等于3或4。）
• Catalyst design for iron-promoted reductions: an iron disilyl-dicarbonyl complex bearing weakly coordinating η2-(H–Si) moieties
  作者：Yusuke Sunada、Hironori Tsutsumi、Keisuke Shigeta、Ryota Yoshida、Toru Hashimoto、Hideo Nagashima

  DOI：10.1039/c3dt52598h

  日期：——

  Iron disilyl dicarbonyl complex 1, in which two H–Si moieties of the 1,2-bis(dimethylsilyl)benzene ligand were coordinated to the iron center in an η2-(H–Si) fashion, was synthesized by the reaction of (η4-C6H8)Fe(CO)3 with 2 equiv. of 1,2-bis(dimethylsilyl)benzene under photo-irradiation. Complex 1 demonstrated high catalytic activity toward the hydrogenation of alkenes, the hydrosilylation of alkenes and the reduction of carbonyl compounds.

  铁二硅基二羰基配合物1通过(η⁴-C6H8)Fe(CO)3与2当量1,2-双(二甲基硅基)苯在光照射下反应合成，其中1,2-双(二甲基硅基)苯配体的两个H-Si部分以η²-(H-Si)方式与铁中心配位。配合物1对烯烃的氢化、烯烃的氢硅化以及羰基化合物的还原表现出高效的催化活性。
• [EN] CATALYST AND RELATED METHODS INVOLVING HYDROSILYLATION AND DEHYDROGENATIVE SILYLATION<br/>[FR] CATALYSEUR ET PROCÉDÉS ASSOCIÉS IMPLIQUANT UNE HYDROSILYLATION ET UNE SILYLATION DÉSHYDROGÉNANTE
  申请人：DOW SILICONES CORP

  公开号：WO2019018357A1

  公开（公告）日：2019-01-24

  A catalyst having a specific structure and a method fop rearing the catalyst is disclosed. A composition is also disclosed, which comprises: (A) an unsaturated compound including at least one aliphatically unsaturated group per molecule, subject to at least one of the following two provisos: (1) the (A) unsaturated compound also includes at least one silicon-bonded hydrogen atom per molecule; and/or (2) the composition further comprises (B) a silicon hydride compound including at least one silicon-bonded hydrogen atom per molecule. The composition further comprises (C) the catalyst. A method of preparing a hydrosilylation reaction product and a dehydrogenative silylation reaction product are also disclosed.

  揭示了一种具有特定结构的催化剂及其制备方法。还揭示了一种组合物，包括：（A）每分子至少包含一个脂肪族不饱和基团的不饱和化合物，受以下两个规定之一的影响：（1）（A）不饱和化合物每分子还包括至少一个硅键氢原子；和/或（2）组合物进一步包括（B）每分子至少包含一个硅键氢原子的硅氢化合物。该组合物还包括（C）催化剂。还揭示了一种制备氢硅烷化反应产物和脱氢硅化反应产物的方法。
• (Aminomethyl)pyridine Complexes for the Cobalt‐Catalyzed Anti‐Markovnikov Hydrosilylation of Alkoxy‐ or Siloxy(vinyl)silanes with Alkoxy‐ or Siloxyhydrosilanes
  作者：Kangsang L. Lee

  DOI：10.1002/anie.201612460

  日期：2017.3.20

  Cobalt‐catalyzed anti‐Markovnikov reactions that involve siloxy‐ or alkoxy(vinyl)silanes and siloxy‐ or alkoxyhydrosilanes are disclosed. More than 25 new cobalt–(aminomethyl)pyridine complexes were developed as catalysts for the hydrosilylation of industry‐relevant and challenging siloxy‐ or alkoxy‐terminated vinylsilanes. These transformations typically proceed in the presence of 0.25 mol % of the

  公开了涉及甲硅烷氧基或烷氧基（乙烯基）硅烷和甲硅烷氧基或烷氧基氢硅烷的钴催化抗马尔科夫尼科夫反应。已开发出超过25种新型钴-（氨基甲基）吡啶配合物，作为与行业相关的和具有挑战性的甲硅烷氧基或烷氧基封端的乙烯基硅烷进行氢化硅烷化的催化剂。这些转化通常在0.25 mol％的钴配合物和0.75 mol％的烷基化剂存在下进行，以在30分钟内提供高达98％的收率和> 98％的抗马尔科夫尼科夫选择性的所需产物。当前的协议显示了广泛的底物范围，可提供超过25个在两个末端均带有甲硅烷氧基或烷氧基官能团的硅氧烷，也可应用于聚合的乙烯基和氢硅氧烷。