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Li[((trimethylsilyl)N)2C(p-tolyl)](N,N,N',N'-tetramethylethylenediamine) | 170243-85-3

中文名称
——
中文别名
——
英文名称
Li[((trimethylsilyl)N)2C(p-tolyl)](N,N,N',N'-tetramethylethylenediamine)
英文别名
lithium;[(E)-C-(4-methylphenyl)-N-trimethylsilylcarbonimidoyl]-trimethylsilylazanide;N,N,N',N'-tetramethylethane-1,2-diamine
Li[((trimethylsilyl)N)2C(p-tolyl)](N,N,N',N'-tetramethylethylenediamine)化学式
CAS
170243-85-3
化学式
C6H16N2*C14H25LiN2Si2
mdl
——
分子量
400.684
InChiKey
FVUFJIZVZWCWCA-UHFFFAOYSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

计算性质

  • 辛醇/水分配系数(LogP):
    None
  • 重原子数:
    None
  • 可旋转键数:
    None
  • 环数:
    None
  • sp3杂化的碳原子比例:
    None
  • 拓扑面积:
    None
  • 氢给体数:
    None
  • 氢受体数:
    None

反应信息

  • 作为反应物:
    参考文献:
    名称:
    Pressure Modulates Stereoregularities in the Polymerization of Propylene Promoted by rac-Octahedral Heteroallylic Complexes
    摘要:
    This communication reports the synthesis and activity of four racemic mixtures of bis(benzamidinate) group-4 complexes, cis-[p-R'C6H4C(NR)(2)](2)MX2 (R' = CH3, R = SiMe3, M = Ti, X = Cl (I); R' = CH3, R = SiMe3, M = Zr, X = Cl (2); R' = H, R = i-pr, M = Zr, X = Cl (3); R' = CH3, R = SiMe3, M = Zr, X = CH3 (4)) as precatalysts for the stereoregular polymerization of propylene. These complexes catalyze the stereoregular polymerization. of propylene only under pressure in CH2Cl2, producing polypropylene with very Large isotacticities (mmmm % = similar to 95-98), high melting points (140-154 degrees C).
    DOI:
    10.1021/om980335d
  • 作为产物:
    描述:
    四甲基乙二胺对甲苯腈lithium hexamethyldisilazane正己烷 为溶剂, 反应 6.0h, 以86%的产率得到Li[((trimethylsilyl)N)2C(p-tolyl)](N,N,N',N'-tetramethylethylenediamine)
    参考文献:
    名称:
    第 4 组八面体苯甲脒配合物:压力调节的丙烯聚合中的合成、结构和催化活性
    摘要:
    介绍了一些苯甲酰胺连接和几个第 4 组苯甲酰胺复合物的合成和结构 X 射线衍射研究。研究了顺式八面体 C(2) 对称化合物的使用,以阐明这些配合物作为丙烯立体规则聚合的潜在催化剂的概念适用性。我们证明了由早期过渡金属八面体苯甲脒配合物催化的丙烯有规立构聚合,用 MAO 或 B(C(6)F(5))(3) 作为助催化剂活化,可以通过压力调节(从无规立构到全同立构)通过弹性体)。聚合过程中的不同影响,如溶剂或助催化剂的性质、温度、压力、催化剂:助催化剂的摩尔比、并研究了配合物的对称性与聚合物微观结构之间的关系。当配合物 [4-CH(3)-C(6)H(4)C(NTMS)(2)](2)ZrMe(2) (9) 用 MAO 活化时,发现它是一种很好的催化剂用于丙烯聚合,在常压下,生产类似于无规立构聚丙烯的油状聚合物。被 B(C(6)F(5))(3) 激活后,复合物 9 产生高度全同立构 (mmmm = 98%)
    DOI:
    10.1021/ja020575r
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文献信息

  • Synthesis and characterization of niobium(IV) and tantalum(V) guanidinates and benzamidinates
    作者:Jean Manuel Decams、Liliane G. Hubert-Pfalzgraf、Jacqueline Vaissermann
    DOI:10.1016/s0277-5387(99)00190-4
    日期:1999.9
    [NbCl2RNCR′NR}2] [R=Cy (Cyclohexyl), R′=N(SiMe3)2 (1); R=SiMe3, R′=p-tolyl (2)] [TaCl3Me3SiNC(p-tolyl)NSiMe3}2] (3) and [(Et2N)2TaCl2RNCR′NR}] [R=SiMe3, R′=p-tolyl (4) and R=Cy, R′=N(SiMe3)2 (5)] were isolated and characterized by elemental analyses, FT-IR and 1H NMR or ESR spectroscopy. The molecular structure of 1 corresponds to a centrosymmetric, monomeric [NbCl2CyNC(N(SiMe3)2)NCy}2] species as established
    研究了五氯化铌或NbCl 4(THF)2和[(Et 2 N)2 TaCl 3 ] 2与各种或苯甲酰胺的反应。[ NbCl 2 RNCR'NR} 2 ] [R = Cy(环己基),R'= N(SiMe 3)2(1);R = SiMe 3,R′=对甲苯基(2)] [TaCl 3 Me 3 SiNC(对甲苯基)NSiMe 3 } 2 ](3)和[(Et 2 N)2分离TaCl 2 RNCR'NR}] [R = SiMe 3,R'=对甲苯基(4)和R = Cy,R'= N(SiMe 3)2(5)]并通过元素分析,FT表征-IR和1 H NMR或ESR光谱。的分子结构1个对应于中心对称,单体[NbCl 2 CYNC(N(森达3)2)} NCY 2 ]通过与反式位置上的配位体化物的X-射线衍射研究确定物种。胍盐配体表现出对称的σ,σ'-配位行为(Nb-N 2.161(8)Åav。)
  • Bis(trimethylsilyl) benzamidinate zirconium dichlorides. Active catalysts for ethylene polymerization
    作者:Dorit Herskovics-Korine、Moris S. Eisen
    DOI:10.1016/0022-328x(95)05576-b
    日期:1995.11
    A study was made of the polymerization of ethylene involving the use of a series of [η4-4-RC6H4C(NSiMe3)2]2ZrCl2 as precatalysts (R = H (1); CH3 (2)). The benzamidinate zirconium dichloride complexes were prepared from ZrCl4 and the corresponding 4-RC6H4C(NSiMe3)2Li· TMEDA ligand. The structure of complex 1 was determined by a low-temperature X-ray diffraction study. “Cationic” ethylene polymerization
    一项研究,由乙烯的涉及使用一系列的聚合的[ η 4 -4-RC 6 H ^ 4 C(NSiMe 3)2 ] 2的ZrCl 2作为预催化剂(R = H(1); CH 3(2))。由ZrCl 4和相应的4-RC 6 H 4 C(NSiMe 3)2 Li·TMEDA配体制备苯甲酰胺酸二配合物。配合物1的结构通过低温X射线衍射研究确定。用甲基铝氧烷从1和2生成“阳离子”乙烯聚合催化剂。聚合物的聚合活性和分子量强烈取决于催化剂和助催化剂的浓度。随着压力和温度的升高,聚合活性急剧增加,而当将电子释放基团连接到芳环上时,聚合活性降低。
  • Synthesis and Molecular Structures of Neutral Nickel Complexes. Catalytic Activity of (Benzamidinato)(acetylacetonato)nickel for the Addition Polymerization of Norbornene, the Oligomerization of Ethylene, and the Dimerization of Propylene
    作者:Elza Nelkenbaum、Moshe Kapon、Moris S. Eisen
    DOI:10.1021/om0490379
    日期:2005.5.1
    have been confirmed by low-temperature X-ray diffraction analysis. The methyl complex p-MePhC(NSiMe3)2Ni(Me)(Py) (13) is not stable and rapidly decomposes, forming the complex [p-MePhC(NSiMe3)]2Ni(Py) (14). Complex 3 activated with MAO has been shown to be an efficient catalytic system for the norbornene vinyl-type polymerization. The activity of the catalyst and the molecular weights of the resulting
    新型中性络合物PhC(NSiMe 3)2 Ni(acac)(3),PhC(NSiMe 3)2 Ni(acac)(TMEDA)(4),[PhC(NSiMe 3)2 ] 2 Ni 2(5) ,[PhC(NSiMe 3)2 ] 2 Ni·Li 2 Br 2(TMEDA)2(6),(TMEDA)2 Ni(7),p -MePhC(NSiMe 3)2 Ni(acac)(8),p-MePhC(NSiMe 3)2 Ni(acac)(TMEDA)(9),[ p -MePhC(NSiMe 3)2 ] 2 Ni(10),NiMe 2 Py 2(11)和[ p -MePhC(NSiMe 3)已经合成并表征了] 2 Ni(Py)(14)。所有配合物的固态分子结构已通过低温X射线衍射分析得到证实。甲基络合物p -MePhC(NSiMe 3)2 Ni(Me)(Py)(13)不稳定且迅速分解,形成复合物[ p -MePhC(NSiMe
  • Elucidation of Substituent Effects in the Polymerization of Propylene Promoted by Titanium Amidinates
    作者:Sinai Aharonovich、Mark Botoshansky、Yael S. Balazs、Moris S. Eisen
    DOI:10.1021/om300068w
    日期:2012.4.23
    In polymerization reactions, the molecular weight of the polymer depends on the rates of monomer insertion, chain termination, and chain transfer. Here we do present studies indicating why chelating octahedral benzamidinate group IV complexes, which promote the polymerization of propylene with MAO, exhibit a linear free energy relationship with the steric Taft parameter. We correlate that this relationship is encountered with the para substituent of the aromatic ring, far away from the active catalytic site. A number of known events are put together to shed light on the effect of the ancillary ligands in the catalytic polymerization, and a new plausible mechanism for the process is presented.
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