potassium 2,4-di(t-butyl)pentadienide | 132850-19-2

• 英文名称: potassium 2,4-di(t-butyl)pentadienide
• CAS: 132850-19-2
• 化学式: C₁₃H₂₃K
• 分子量: 218.424
• InChiKey: CTRMBVKXQQJDIC-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
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• 重原子数：
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• 可旋转键数：
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• 环数：
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• sp3杂化的碳原子比例：
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• 拓扑面积：
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• 氢给体数：
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• 氢受体数：
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反应信息

• 作为反应物：
  描述：

  potassium 2,4-di(t-butyl)pentadienide 、 三氯化铬 在 Mg 作用下， 以 四氢呋喃 为溶剂， 以39%的产率得到bis(2,4-di(t-butyl)pentadienyl)chromium
  参考文献：
  名称：

  2,4-二（叔丁基）戊二烯基阴离子及其Ti（II），Cr（II）和Zn（II）配合物的制备

  摘要：

  2，4-二（叔丁基）戊二烯基阴离子的钾可以通过相应的1，3-二烯的金属化来制备。该阴离子容易与钛，铬和二氯化锌络合物反应，生成适当的M [2.4-（tC 4 H 9）2 C 5 H 5 ] 2物种，相对于它们的2,4-二甲基戊二烯基类似物，它们显示出显着差异。

  DOI：

  10.1016/0022-328x(91)80077-w

文献信息

• Rare‐Earth‐Metal Pentadienyl Half‐Sandwich and Sandwich Tetramethylaluminates–Synthesis, Structure, Reactivity, and Performance in Isoprene Polymerization
  作者：Damir Barisic、Dennis A. Buschmann、David Schneider、Cäcilia Maichle‐Mössmer、Reiner Anwander

  DOI：10.1002/chem.201900108

  日期：2019.3.27

  complexes [(2,4‐dmp)La(AlMe4)2], [(2,4‐dipp)La(AlMe4)2], and [(2,4‐dtbp)Ln(AlMe4)2] (Ln=La, Ce, Pr, Nd) in high crystalline yields. Smaller rare‐earth‐metal centers yielded preferentially the sandwich complexes [(2,4‐dmp)2Ln(AlMe4)] (Ln=Y, Lu) and [(2,4‐dipp)2Y(AlMe4)]. Activation with fluorinated borate/borane co‐catalysts gave highly active catalyst systems for the fabrication of polyisoprene, displaying

  针对合成稀土金属戊二烯半三明治四甲基铝酸盐络合物，用等摩尔量的钾盐K处理了均聚物[Ln（AlMe 4）3 ]（Ln = Y，La，Ce，Pr，Nd，Lu）。 （2,4-dmp）（2,4-dmp = 2,4-二甲基戊二烯基），K（2,4-dipp）（2,4-dipp = 2,4-二异丙基戊二烯基）和K（2,4-dmp dtbp）（2,4-dtbp = 2,4-二叔丁基戊二烯基）。涉及较大稀土金属中心镧，铈，ase和钕的反应选择性地产生了所需的半夹心复合物[（2,4-dmp）La（AlMe 4）2 ]，[（2,4-dipp ）La（AlMe 4）2 ]和[（2,4-dtbp）Ln（AlMe 4）2]（Ln = La，Ce，Pr，Nd）高结晶产率。较小的稀土金属中心优先产生三明治复合物[（2,4-dmp）2 Ln（AlMe 4）]（Ln = Y，Lu）和[（2,4-dipp）2 Y（AlMe 4）]
• Cobalt and Nickel Compounds with Pentadienyl and Edge-Bridged Pentadienyl Ligands: Revisited
  作者：Matthias Reiners、Ann Christin Fecker、Dirk Baabe、Matthias Freytag、Peter G. Jones、Marc D. Walter

  DOI：10.1021/acs.organomet.9b00592

  日期：2019.11.11

  edge-bridged variants (ePdl) such as 6,6′-dimethylcyclohexadienyl (dmch), cycloheptadienyl (chd), and cyclooctadienyl (cod). The sterically encumbered Pdl′ ligand allowed the first synthesis of an open cobaltocene derivative [(η3-Pdl′2)Co] (1), which adopts a low-spin configuration and features two η3-coordinate Pdl′ units. For Ni(II), the heteroleptic derivative [(η3-Pdl′)Ni(acac)] (2) and the open

  通过使用开放的戊二烯基2,4-（Me 3 C）2 C 5 H 5（Pdl'）和一些边缘桥联的变体来制备一系列Co（I），Co（II）和Ni（II）化合物（ePdl），例如6,6'-二甲基环己二烯基（dmch），环庚二烯基（chd）和环辛二烯基（cod）。所述空间位阻PDL'配位体允许开放二茂钴衍生物的第一合成[（η 3 -PdL' 2）CO]（1），其采用低自旋结构和具有两个η 3 -协调PDL'单元。为镍（II），所述杂衍生物[（η 3 -PdL'）的Ni（acac）]的（2）和开放二茂镍[（η 3 -PdL'分离出2）Ni]（3）。配合物3与其Co类似物（1）同构。但是，当使用边缘桥联的戊二烯基衍生物（ePdl = dmch，chd和cod）进行类似反应时，反应模式会改变。对于[Co（acac）2 ]，与K（dmch）和K（chd）的反应导致Co（II）还原为Co（I），伴随配体偶联形成桥连的Co（I）配合物5和6，
• [EN] HAPTO-3-PENTADIENYL COBALT OR NICKEL PRECURSORS AND THEIR USE IN THIN FILM DEPOSITION PROCESSES<br/>[FR] PRÉCURSEURS DE HAPTO-3-PENTADIÉNYLE COBALT OU NICKEL ET LEUR UTILISATION DANS DES PROCÉDÉS DE DÉPÔT DE COUCHE MINCE
  申请人：BASF SE

  公开号：WO2018015305A1

  公开（公告）日：2018-01-25

  The present invention is in the field of processes for the generation of thin inorganic films on substrates. In particular, the present invention relates to a process comprising bringing a compound of general formula (I) into the gaseous or aerosol state and depositing the compound of general formula (I) from the gaseous or aerosol state onto a solid substrate, wherein R1, R2, R3, R4, and R5 are independent of each other hydrogen, an alkyl group, an alkenyl group, an aryl group or a silyl group, p is 1, 2, M is Ni or Co, X is a σ-donating ligand which coordinates M, m is 1 or 2 and n is 0 to 3.

  本发明涉及在基板上生成薄无机薄膜的过程领域。具体来说，本发明涉及一种过程，包括将通式（I）的化合物带入气态或气溶胶状态，并将通式（I）的化合物从气态或气溶胶状态沉积到固体基板上，其中R1、R2、R3、R4和R5相互独立地为氢、烷基、烯基、芳基或硅基，p为1、2，M为Ni或Co，X为与M配位的σ-给体配体，m为1或2，n为0至3。
• Synthesis and molecular structure of pentadienyl complexes of the rare-earth metals
  作者：Jan Raeder、Matthias Reiners、Robert Baumgarten、Katharina Münster、Dirk Baabe、Matthias Freytag、Peter G. Jones、Marc D. Walter

  DOI：10.1039/c8dt03123a

  日期：——

  [[(η5-pdl′)2M(thf)n] (2-M; with M = Sm (n = 2); Eu, Yb (n = 1)) were formed. A more complex structural motif was observed for the smaller and also difficult to reduce metal ions, M = Sc, Y, Gd, Tb, Dy, Ho, Er, Tm and Lu, which yielded the bimetallic complexes of the type [(pdl′)(pdl′−1H)(pdl′−2H)M2(thf)2] (3-M). In these dimeric complexes the pdl′ ligand acts as a result of deprotonation reactions not only as

  系统地研究了空间受限的戊二烯基配体pdl'（pdl'= 2,4-（Me 3 C）2 C 5 H 5）对一系列稀土金属的配位化学，并对得到的金属配合物进行了全面表征几种技术包括X射线衍射，元素分析，NMR光谱和固态磁化率研究。根据金属原子的氧化还原电位和离子半径，分离出三种不同的反应产物。它们可分为（a）盐复分解，（b）金属还原-配体氧化和（c）配体去质子化产物。而对于较大的和难以降低金属离子，M =镧，铈，Pr和Nd，三价化合物[（η 5-PdL'）3 M]（1-M ）中分离，对于更容易被还原的金属离子的相应的二价化合物[[（η 5 -PdL'）2 M（THF）Ñ ]（2-M ;其中M =形成Sm（n = 2）; Eu，Yb（n = 1））。对于较小且也难以还原的金属离子，观察到更复杂的结构基序，M = Sc，Y，Gd，Tb，Dy，Ho，Er，Tm和Lu，产生了[[pdl' ）（pdl'-
• The coordination chemistry of 2,4-di( tert -butyl)pentadienyl revisited
  作者：Matthias Reiners、Dirk Baabe、Peter Schweyen、Matthias Freytag、Peter G. Jones、Marc D. Walter

  DOI：10.1016/j.ica.2014.06.020

  日期：2014.10

  The coordination chemistry of the previously neglected 2,4-di(tert-butyl)pentadienyl (Pdl') ligand with transition metals is explored. Several open metallocenes [(eta(5)-Pdl')(2)M] (M = Ti (3), V (4) and Cr (5)) were prepared and characterized by various spectroscopic techniques and X-ray diffraction. Attempts to prepare the open ferrocene [(eta(5)-Pdl')(2)Fe] were hampered by its high thermal instability, which leads to the formation of iron metal and 2,4,7,9-tetra-tert-butyl-1,3,7,9-decatetraene (2). Nevertheless, the half-open ferrocene [(eta(5)-Pdl')Fe(eta(5)-Cp '')] (Cp '' = 1,2,4-(Me3C)(3)C5H2, 6) and mono(pentadienyl) iridium complex [(eta(5)-Pdl')Ir(eta(4)-cod)] (9) were successfully synthesized. The electronic and molecular structures of the half-open ferrocene [(eta(5)-Pdl')Fe(eta(5)-Cp '')] (6) and its closed analogue [(eta(5)-Cp')Fe(eta(5)-Cp '')] (7, Cp' = 1,3-(Me3C)(2)C5H3) were compared. Complex 6 is significantly more encumbered than 7, as shown by the short Pdl(cent)'-Fe distance. Clean oxidation of 6 and 7 can be accomplished electrochemically and chemically to give the half-open ferrocenium 6(+) and closed ferrocenium 7(+), respectively, and in both cases steric strain is released upon oxidation. On heating of 6(+) to 152 degrees C in the solid state H-2 and isobutene is eliminated to give [(eta(5)-Cp')(2)Fe](+) (8). (C) 2014 Elsevier B. V. All rights reserved.