[(2,3-dimethyl-1,4-[(2',6'-diisopropylphenyl]-N,N'-diazadiene)Ni(CH2SiMe3)2] | 215810-72-3

• 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: [(2,3-dimethyl-1,4-[(2',6'-diisopropylphenyl]-N,N'-diazadiene)Ni(CH2SiMe3)2]
• CAS: 215810-72-3
• 化学式: C₃₆H₆₂N₂NiSi₂
• 分子量: 637.763
• InChiKey: XHKYZWAVGYNEPQ-GGVBBUNRSA-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

• 作为产物：
  描述：

  bis(acetylacetonate)nickel(II) 以 not given 为溶剂， 以52%的产率得到[(2,3-dimethyl-1,4-[(2',6'-diisopropylphenyl]-N,N'-diazadiene)Ni(CH2SiMe3)2]
  参考文献：
  名称：

  Preparation of a Well-Defined Silica-Supported Nickel-Diimine Alkyl Complex − Application for the Gas-Phase Polymerization of Ethylene

  摘要：

  The interaction of [(alpha-diimine)Ni(CH2SiMe3)(2)] (1) (alpha-diimine = 2,3-dimethyl-1,4-[(2',6')-diisopropylphenyl]-N,N'-diazadiene) with the silanol Si-OH groups of Aerosil SiO2-(700) leads to the formation of the surface complex [ SiO-Ni(alpha-diimine)(CH2SiMe3)] (2) with the concomitant emission of 1 mol equiv of SiMe4 (TMS). The surface complex characterized by IR, chemical and mass balance analyses, solid-state NMR, and EXAFS has been activated by gaseous BF3 to give an active gas-phase ethylene polymerization catalyst. The polymers thus obtained present a highly branched structure. The activity is attributed to the formation of the putative surface ion pair [ SiOBF3](-)[Ni(alpha-diimine)(CH2SiMe3)](+).

  DOI：

  10.1021/om800582x

文献信息

• Ethylene polymerization catalysts based on nickel(II) 1,4-diazadiene complexes: the influence of the 1,4-diazadiene backbone substituents on structure and reactivity
  作者：Thomas Schleis、Thomas P Spaniol、Jun Okuda、Johannes Heinemann、Rolf Mülhaupt

  DOI：10.1016/s0022-328x(98)00784-0

  日期：1998.10

  X)}NiBr2/MAO is used as catalyst. The influence of the catalyst structure, pressure, and temperature on the polymerization activity, molar mass, glass transition temperature, melting temperature and branching of the polymers has been studied. The dialkyl complex DAD(H,H)}Ni(CH2SiMe3)2 underwent rapid reductive carbonylation giving the dicarbonyl complex DAD(H,H)}Ni(CO)2 along with both bis(trimethylsilyl)ethane

  热敏二烷基镍络合物DAD（H，H）} Ni（CH 2 SiMe 3）2和DAD（Me，Me）} Ni（CH 2 SiMe 3）2 [DAD（X，X）= 2,6-合成了i Pr 2 C 6 H 4 –N）C（X）–C（X）6N–C 6 H 4 i Pr 2 -2,6]，并通过单晶的X射线衍射研究对其进行了表征。α主链上的取代基X-二亚胺配体显着影响2，6-二异丙基苯基取代基的构象。当使用DAD（X，X）} NiBr 2 / MAO作为催化剂时，认为该作用对于乙烯的聚合至关重要。研究了催化剂结构，压力和温度对聚合活性，摩尔质量，玻璃化转变温度，熔融温度和聚合物支化度的影响。对二烷基络合物DAD（H，H）} Ni（CH 2 SiMe 3）2进行快速还原羰基化，得到二羰基络合物DAD（H，H）} Ni（CO）2以及双（三甲基甲硅烷基）乙烷和α，α'-双（三甲基甲硅烷基）丙酮。通过X射线晶体学表征二羰基DAD（H，H）}
• Synthesis of dialkyl, diaryl and metallacyclic complexes of Ni and Pd containing pyridine, α-diimines and other nitrogen ligands
  作者：Juan Cámpora、Marı́a del Mar Conejo、Kurt Mereiter、Pilar Palma、Carmen Pérez、Manuel L. Reyes、Caridad Ruiz

  DOI：10.1016/s0022-328x(03)00691-0

  日期：2003.10

  The alkylation of NiCl(2)py(4) or PdCl(2)py(2) with organomagnesium or organolithium reagents affords dialkyl complexes cis-MR(2)py(2) (R = Me, CH2SiMe3, CH2Ph, CH2CMe2Ph, 2,4,6-C6H2Me3). The methyl and trimethylsilyl derivatives undergo ligand exchange reactions with chelating nitrogen ligands (alpha-diimines or 2-imidoylpyridines), yielding the corresponding dialkyl derivatives in good to excellent yields. A catalytic amount of PMe3 induces the transformation of the nickel complex Ni(CH2CMe2Ph)(2)py(2) into the metallacyclic derivative NiCH2CMe2-o-C6H4(py)(2). The latter, and the related palladacycle Pd(CH2CMe2-o-C6H4) (cod), also undergo facile ligand exchange reactions. (C) 2003 Elsevier B.V. All rights reserved.