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1,1,3,3-tetramethyl-1,3-dicyclopentadienyldisiloxane | 18402-76-1

中文名称
——
中文别名
——
英文名称
1,1,3,3-tetramethyl-1,3-dicyclopentadienyldisiloxane
英文别名
1,3-Dicyclopentadienyl-tetramethyldisiloxan;1,1,3,3-tetramethyl-1,3-bis(cyclopentadienyl)disiloxane;dicyclopentadienyltetramethyldisiloxane;1,3-di-2,4-cyclopentadien-1-yl-1,1,3,3-tetramethyl-disiloxane;Disiloxane, 1,3-di-2,4-cyclopentadien-1-yl-1,1,3,3-tetramethyl-;cyclopenta-2,4-dien-1-yl-[cyclopenta-2,4-dien-1-yl(dimethyl)silyl]oxy-dimethylsilane
1,1,3,3-tetramethyl-1,3-dicyclopentadienyldisiloxane化学式
CAS
18402-76-1
化学式
C14H22OSi2
mdl
——
分子量
262.499
InChiKey
INKXCSWVUJXEKF-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):
    4.41
  • 重原子数:
    17
  • 可旋转键数:
    4
  • 环数:
    2.0
  • sp3杂化的碳原子比例:
    0.43
  • 拓扑面积:
    9.2
  • 氢给体数:
    0
  • 氢受体数:
    1

SDS

SDS:3e1bf2d657a18d8aae4c41b42afc884f
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反应信息

  • 作为反应物:
    描述:
    1,1,3,3-tetramethyl-1,3-dicyclopentadienyldisiloxane正丁基锂 作用下, 以 正己烷 为溶剂, 反应 16.0h, 以10.8 g的产率得到
    参考文献:
    名称:
    扭转应变在低应变[n] nickelocenophanes开环聚合中的作用。
    摘要:
    应变的[1]-和[2]金属甲芬烯及相关物质的开环聚合(ROP)已得到很好的建立,单体开环聚合表现为环戊二烯基配体的充分倾斜,α角约为14-。 32°。出乎意料的是,四甲氨基[4]镍环庚烷[Ni(η5-C5H4)2(CH2)4](2)经历ROP(吡啶,20°C,5天)以产生主要不溶的聚(镍烯基丁烯)[Ni(η5-C5H4) 2(CH2)4] n(12),尽管没有明显的环倾角。通过涉及环状前体和模型低聚物(ΔH0ROP= -14±2 kJ mol-1)的DFT计算证实了ROP的外焓性质,并被认为是2的ansa桥中存在扭转应变的结果。发现类似耕作的二硅-2-氧杂[3]镍壳环烷[Ni(η5-C5H4)2(SiMe2)2O](13)和[Ni(η5-C5H4)2(SiMePh)2O](14)缺乏相似之处扭转应变并在相同条件下具有抗ROP的性能。相反,发现具有显着倾斜角(α〜16°)的1-甲基三卡巴[3
    DOI:
    10.1039/c9sc02624j
  • 作为产物:
    描述:
    1,3-二氯-1,1,3,3,-四甲基二硅氧烷sodium cyclopentadienide四氢呋喃 为溶剂, 反应 16.5h, 以11.6 g的产率得到1,1,3,3-tetramethyl-1,3-dicyclopentadienyldisiloxane
    参考文献:
    名称:
    扭转应变在低应变[n] nickelocenophanes开环聚合中的作用。
    摘要:
    应变的[1]-和[2]金属甲芬烯及相关物质的开环聚合(ROP)已得到很好的建立,单体开环聚合表现为环戊二烯基配体的充分倾斜,α角约为14-。 32°。出乎意料的是,四甲氨基[4]镍环庚烷[Ni(η5-C5H4)2(CH2)4](2)经历ROP(吡啶,20°C,5天)以产生主要不溶的聚(镍烯基丁烯)[Ni(η5-C5H4) 2(CH2)4] n(12),尽管没有明显的环倾角。通过涉及环状前体和模型低聚物(ΔH0ROP= -14±2 kJ mol-1)的DFT计算证实了ROP的外焓性质,并被认为是2的ansa桥中存在扭转应变的结果。发现类似耕作的二硅-2-氧杂[3]镍壳环烷[Ni(η5-C5H4)2(SiMe2)2O](13)和[Ni(η5-C5H4)2(SiMePh)2O](14)缺乏相似之处扭转应变并在相同条件下具有抗ROP的性能。相反,发现具有显着倾斜角(α〜16°)的1-甲基三卡巴[3
    DOI:
    10.1039/c9sc02624j
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文献信息

  • Synthesis, characterization, and reactivities of the polysiloxane-bridged binuclear metallocenes tetramethyldisiloxanediylbis(cyclopentadienyltitanium trichloride) and hexamethyltrisiloxanediylbis(cyclopentadienyltitanium trichloride)
    作者:Seok Kyun Noh、Gyu-gum Byun、Chul-soo Lee、Dongho Lee、Keun-byung Yoon、Kyoung Seok Kang
    DOI:10.1016/0022-328x(96)06128-1
    日期:1996.7
    , 3, and hexamethyltrisiloxanediylbis(cyclopentadienyl), 4, with two equivalents of TiCl4 gives the title compounds tetramethyldisiloxanediylbis(cyclopentadienyltitanium trichloride), 5 and hexamethyltrisiloxanediylbis(cyclopentadienyltitanium trichloride), 6 respectively. The stoichiometric reaction of 5 and 6 with water results in the formation of new oxygen-bridged metallocenes [(TiCl2)2(μ2-O)-
    的tetramethyldisiloxanediylbis(环戊二烯基),dithallium盐的反应3,和hexamethyltrisiloxanediylbis(环戊二烯基),4,用TiCl 4的两个当量4,得到标题化合物tetramethyldisiloxanediylbis(环戊二烯基三氯化),5和hexamethyltrisiloxanediylbis(环戊二烯基三氯化),6分别。的化学计量反应5和6与水的结果的新氧桥连金属茂的形成[(的TiCl 2)2(μ 2 -O) - (η 5 -C 5 H ^ 4)2 - μ 2 - (森达2)2 O],7,和[(的TiCl 2)2(μ 2 -O) - (η 5 -C 5 H ^ 4)2 - μ 2 - (森达2)3 Ô 2 }],8。此外,7和8与另一当量的水进一步反应或5和6的处理用过量的水的量产生了具有钛的金属茂化合物的形成4 ö 4环[(的TiCl)2(μ
  • Synthesis, characterization, and electrochemistry of dicyclopentadienylsiloxane-bridged dicarbonyldi-iron
    作者:Moisés Morán、Isabel Cuadrado、José R. Masaguer、José Losada
    DOI:10.1039/dt9880000833
    日期:——
    The new metal–metal bonded binuclear iron complexes [Fe(CO)2}2η5:η5′-C5H4(RR′SiO)nSiRR′C5H4}][R = R′= Me, n= 1 (1) or 2 (2); R = Me, R′= Ph, n= 1 (3)] have been prepared in good yield by reaction between dicyclopentadienylsiloxanes, C5H5(RR′SiO)nSiRR′C5H5(R = R′= Me, n= 1 or 2; R = Me, R′= Ph, n= 1), and [Fe(CO)5]. Oxidation of (1)–(3) with [Fe(η5-C5H5)2]PF6 in the presence of PPh3 gives the dicationic
    新的金属-金属键合的双核铁络合物[的Fe(CO)2 } 2 η 5:η 5 '-C 5 ħ 4(RR'SiO)ñ SiRR'C 5 ħ 4 }] [R = R'=我,n = 1(1)或2(2); R = Me中,R'=苯基,Ñ = 1(3)〕在由dicyclopentadienylsiloxanes之间,C反应良好的产率制备了5 ħ 5(RR'SiO)ñ SiRR'C 5 ħ 5(R = R'=我,n = 1或2; R = Me,R'= Ph,n= 1)和[Fe(CO)5 ]。的氧化(1) - (3)用的[Fe(η 5 -C 5 H ^ 5)2 ] PF 6中PPH的存在3给出了双阳离子络合物[的Fe(CO)2(PPH 3)} 2 η 5:η 5 '-C 5 ħ 4(RR'SiO)ñ SiRR'C 5 ħ 4 }] [PF 6 ] 2 [R = R'= Me中,ñ = 1(7)或2(8);
  • Synthesis, structure and polymerization catalytic properties of doubly bridged bis(cyclopentadienyl) dinuclear titanium and zirconium complexes
    作者:Shansheng Xu、Xuliang Dai、Tao Wu、Baiquan Wang、Xiuzhong Zhou、Linhong Weng
    DOI:10.1016/s0022-328x(01)01375-4
    日期:2002.2
    series of doubly bridged dinuclear titanium and zirconium complexes (Me2C)(Me2E)(C5H3)2(Cp′MCl2)2 [E=Si, Cp′=C5H5, M=Ti (1), Zr (2); E=Ge, Cp′=C5H5, M=Ti (3), Zr (4); Cp′=C5Me4H, M=Zr, E=Si (5), Ge (6)] and (Me2SiOSiMe2)2(C5H3)2(Cp′MCl2)2 [Cp′=C5H5, M=Ti (7), Zr (8); Cp′=C5Me4H, M=Zr (9)] were synthesized by the reaction of the lithium compounds of the corresponding doubly bridged cyclopentadienyl
    一系列双桥双核钛和锆配合物(Me 2 C)(Me 2 E)(C 5 H 3)2(Cp'MCl 2)2 [E = Si,Cp'= C 5 H 5,M = Ti (1),Zr(2);E = Ge,Cp'= C 5 H 5,M = Ti(3),Zr(4);Cp'= C 5 Me 4 H,M = Zr,E = Si(5),Ge(6)]和(Me 2 SiOSiMeMe 2)2(C 5 H 3)2(Cp'MCl 2)2 [Cp'= C 5 H 5,M = Ti(7),Zr(8);通过相应的双桥环戊二烯基配体的锂化合物与CpTiCl 3,CpZrCl 3(THF)2或C 5 Me 4 HZrCl 3的反应合成Cp'= C 5 Me 4 H,M = Zr(9)] 。分别。这些配合物通过1 H-NMR,MS和元素分析进行表征。4的晶体结构通过X射线衍射确定。在MAO存在下,还研究了它们对乙烯聚合的催化性能。
  • Preparation and structure of the first ansa-molybdenocene and tungstenocene derivatives. Reaction of [O(SiMe2C5H4)2]MoH2 with methyl methacrylate to probe the olefin attacking site
    作者:Takaya Mise、Mami Maeda、Takayuki Nakajima、Kimiko Kobayashi、Isao Shimizu、Yasuhiro Yamamoto、Yasuo Wakatsuki
    DOI:10.1016/0022-328x(94)80116-9
    日期:1994.6
    Bridged-bis(cyclopentadienyl) molybdenum and tungsten dihydrides and their derivatives have been synthesized for the first time. [(1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(eta5-cyclopentadienyl)]molybdenum dihydride (1a) and tungsten dihydride (1b) were prepared by sodium borohydride reduction of [O(SiMe2C5H4)2]MCl2 (2a: M = Mo, 2b: M = W) which was obtained by the reaction of disodium 1,1,3,3-tetramethyl-1,3-bis(cyclopentadienyl)disiloxane with MCl4(thf)2 (M = Mo, W). The dichlorides 2 reacted with ZnMe2 and NaSEt to afford [O(SiMe2C5H4)2]MMe2 (3a: M = Mo, 3b: M = W) and [O(SiMe2C5H4)2]M(SEt)2 (4a: M = Mo, 4b: M = W), respectively. Photolysis of lb in benzene gave [O(SiMe2C5H4)2]WH(C6H5) (5b). An X-ray crystal analysis of 3a has proved that the bridging chain blocks one of the side positions of the complex, the siloxy unit being present at one side of the Me-Mo-Me bisector. Consistent with side position attack by olefins, the reaction rate of la with methyl methacrylate was found to be nearly one half that of the parent CP2MoH2 (6a).
  • Lanthanocene (Ln = PrIII, YbIII) chlorides involving tetramethyldisiloxane-interlinked cyclopentadienyl ligands
    作者:Jens Gräper、R.Dieter Fischer、Gino Paolucci
    DOI:10.1016/0022-328x(94)88111-1
    日期:1994.5
    Two new lanthanocenophanes [O(Me2SiC5H4)2}PrIIICl.THF]x (2; x = 1 or 2) and [O(Me2SiC5H4)2}YbIIICl]2 (3), were made from LnCl3 (Ln = Pr or Yb) and K2[O(Me2SiC5H4)2] in THF. The H-1 NMR spectra of THF-d8 solutions of paramagnetic 2 (at +35 to -25-degrees-C) and 3 (at < 10-degrees-C) reflect an asymmetrical disposition of the siloxy linkage, while solutions of 2 in CD2Cl 2 (at 20-degrees-C) and 3 in THF-d8 (at > 10-degrees-C), respectively, display somewhat less complex H-1 NMR spectra consistent with a virtually symmetrical position of the Me2SiOSiMe2 unit with respect to the cent-Ln-cent' plane (cent = C5H4Si centroid). A low-temperature (-100-degrees-C) single-crystal X-ray study of 3 has confirmed the presence of centrosymmetric, Cl-bridged dimers in which the molecular configuration of the mononuclear O(Me2SiC5H4)2}YbIIICl2 units correspond to that of the previously described complex [O(Me2SiC5H4)2TiIVCl2] (1). The high-resolution mass spectrum of 3 displays several signals from dinuclear fragments, the B/E-linked scans of which suggest, inter alia, intramolecular reorientation of at least one O(Me2SiC5H4)2 ligand from the chelating into a metal-bridging position.
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表征谱图

  • 氢谱
    1HNMR
  • 质谱
    MS
  • 碳谱
    13CNMR
  • 红外
    IR
  • 拉曼
    Raman
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  • 峰位数据
  • 峰位匹配
  • 表征信息
Shift(ppm)
Intensity
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Assign
Shift(ppm)
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测试频率
样品用量
溶剂
溶剂用量
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