(2,3,4,5-tetramethylphospholyl)lithium | 112549-01-6

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 杂芳族化合物
• 英文名称: (2,3,4,5-tetramethylphospholyl)lithium
• 英文别名: lithium 2,3,4,5-tetramethylphospholide；lithium tetramethylphospholide；tetramethylphospholyllithium
• CAS: 112549-01-6
• 化学式: C₈H₁₂LiP
• 分子量: 146.098
• InChiKey: SYHVROKLYDBOGD-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.22
• 重原子数：
  10
• 可旋转键数：
  0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.5
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  (2,3,4,5-tetramethylphospholyl)lithium 在 三氯化磷 作用下， 以 乙醚 为溶剂， 反应 4.0h， 以23%的产率得到tris(2,3,4,5-tetramethylphospholyl)phosphine
  参考文献：
  名称：

  A triphospholyl-substituted phosphine

  摘要：

  Tris(2,3,4,5-tetramethylphospholyl)phosphine (1) has been prepared via the reaction of Li(PC4Me4) with PCl3. The structure of 1 was determined by single-crystal X-ray diffraction: triclinic, space group with a = 8.795(2), b = 11.489(2), c = 14.557(3) Angstrom, alpha = 72.89(3), beta = 88.92(3), gamma = 67.69(3)degrees, V = 1293.4(7) Angstrom(3) and Z = 2.

  DOI：

  10.1016/s0022-328x(96)06485-6
• 作为产物：
  描述：

  1-phenyl-2,3,4,5-tetramethylphosphole 在 lithium 作用下， 以 四氢呋喃 为溶剂， 生成 (2,3,4,5-tetramethylphospholyl)lithium
  参考文献：
  名称：

  A triphospholyl-substituted phosphine

  摘要：

  Tris(2,3,4,5-tetramethylphospholyl)phosphine (1) has been prepared via the reaction of Li(PC4Me4) with PCl3. The structure of 1 was determined by single-crystal X-ray diffraction: triclinic, space group with a = 8.795(2), b = 11.489(2), c = 14.557(3) Angstrom, alpha = 72.89(3), beta = 88.92(3), gamma = 67.69(3)degrees, V = 1293.4(7) Angstrom(3) and Z = 2.

  DOI：

  10.1016/s0022-328x(96)06485-6

文献信息

• (Tetramethylcyclobutadiene)cobalt Complexes with Five-Electron Carbo- and Heterocyclic Ligands
  作者：Elena V. Mutseneck、Dmitry A. Loginov、Dmitry S. Perekalin、Zoya A. Starikova、Denis G. Golovanov、Pavel V. Petrovskii、Piero Zanello、Maddalena Corsini、Franco Laschi、Alexander R. Kudinov

  DOI：10.1021/om0495832

  日期：2004.12.1

  g with NaBH4/AlCl3 or LiAlH4 affords the alkyl derivatives 5b and 5h (R = Et) or the alcohols 5i (R = CH2OH) and 5j (R = CH(OH)Me), respectively. The reaction of 1 with fluorene/AlCl3 yields complex [Cb*Co(η6-fluorene)]+ (8), which was deprotonated by KOBut to give Cb*Co(η6-fluorenyl) (9). Visible light irradiation of 9 induces η6→η5 haptotropic rearrangement to afford Cb*Co(η5-fluorenyl) (7). The pyrrolyl

  Tetramethylcyclobutadiene（环戊二烯基）钴络合物的Cb *钴（C 5 H ^ 4 R）（CB * =η 4 -C 4我4 ; R = H（图5a）中，Me（图5b），森达3（图5d），C（O） H（5f）和C（O）Me（5g））是通过环戊二烯阴离子与（羰基）碘化物络合物Cb * Co（CO）2 I（1）（方法A）或更高反应性的反应获得的乙腈络合物[Cb * Co（MeCN）3 ] +（2）（方法B）。类似化合物Cb * CoCp *（5c），Cb * Co（1,3-C5 ħ 3（森达3）2）（图5e），和Cb *钴（η 5 -茚基）（6）可以仅通过的方法B.处理来制备图5f，克用NaBH 4 /的AlCl 3或的LiAlH 4，得到烷基衍生物5b和5h（R = Et）或醇5i（R = CH 2 OH）和5j（R = CH（OH）Me）。的反应1与芴/的AlCl 3倍的产率络合物[*的Cb的Co（η
• Selectivity for the methoxycarbonylation of ethylene versus COethylene copolymerization with catalysts based on C4-bridged bidentate phosphines and phospholes
  作者：Simon Doherty、Edward G Robins、Julian G Knight、Colin R Newman、Barrie Rhodes、Paul A Champkin、William Clegg

  DOI：10.1016/s0022-328x(01)01180-9

  日期：2001.12

  and diphosphines 11,12-bis(diphenylphosphinomethyl)-9,10-dihydro-9,10-ethano-anthracene (cis, 5a; trans, 5b) and their corresponding palladium complexes [(PP)PdCl2] (6a–d) have been prepared and characterized. Single-crystal X-ray analyses of 6a–d have been undertaken and they reveal that 4a and b and 5a and b coordinate in a bidentate manner forming seven-membered chelate rings with natural bite

  C 4桥基磷酸11,12-双（2,3,4,5-四甲基磷酰基甲基）-9,10-二氢-9,10-乙基蒽（顺式，4a ;反式，4b）和二膦11,12制备了双（二苯基膦基甲基）-9,10-二氢-9,10-乙基蒽（顺式，5a；反式，5b）及其相应的钯配合物[（PP）PdCl 2 ]（6a – d）和特点。已经对6a – d进行了单晶X射线分析，结果表明4a和b和图5a和b在二齿方式形成具有98.62和100.30°之间自然咬合角7元螯合环坐标。已经使用4a和b以及5a和b研究了钯催化的乙烯的羰基化。由4a和b，乙酸钯和甲磺酸产生的催化剂混合物对于乙烯与一氧化碳的共聚具有选择性，从而产生低分子量聚合物。令人惊讶的是，基于顺式-（4a）的催化剂体系的活性明显高于基于其反式异构体的催化剂，4b。用[1,4-双（2,3,4,5-四甲基膦酰基）丁烷} Pd（OAc）2 ]进行的比较催化剂测试突出显示了四碳
• Triple-Decker Complexes. 13.¹ Synthesis of the First Triple-Decker Complexes with a Bridging Phospholyl Ligand. Structures of the Triple-Decker Complex [(μ-C₄Me₄P){Fe(C₅Me₄CH₂C₆H₁₁)}(RuCp*)]CF₃SO₃ and the Related Sandwich Complex Fe(C₄Me₄P)(C₅Me₄CH₂C₆H₁₁)
  作者：Gerhard E. Herberich、Beate Ganter

  DOI：10.1021/om960985m

  日期：1997.2.1

  The stacking reaction of the phosphaferrocene Cp*Fe(C4Me4P) (1) with the metallo-electrophiles [Cp*Ru(solv)x]+ (solv = acetone, CH2Cl2) gives the 30e triple-decker complex [(μ-C4Me4P)(FeCp*)(RuCp*)]CF3SO3 (3), the first compound with a central phospholyl ligand. The cyclohexylmethyl derivative [(μ-C4Me4P)Fe(C5Me4CH2C6H11)}(RuCp*)]CF3SO3 (10) shows metal-to-phospholyl distances of 164.4(1) pm for Fe

  磷二茂铁Cp * Fe（C 4 Me 4 P）（1）与金属亲电子试剂[Cp * Ru（solv）x ] +（solv =丙酮，CH 2 Cl 2）的堆叠反应得到了30e双层配合物[（μ-C 4我4 P）（FeCp *）（RuCp *）] CF 3 SO 3（3）中，用一个中央磷酰基配位体的第一化合物。的环己基甲基衍生物[（μ-C 4我4 P）的Fe（C 5我4 CH 2 C ^ 6 ħ 11）} ...（RuCp *）] CF 3SO 3（10）显示出金属与磷酰基之间的距离对于Fe为164.4（1）pm，对于Ru为180.4（1）pm。
• Characterisation of the parent phosphole and phospholyl anion and some of their C-substituted derivatives by 1H and 13C NMR spectroscopy
  作者：Claude Charrier、François Mathey

  DOI：10.1016/s0040-4039(00)96686-3

  日期：1987.1

  The parent phosphole and phospholyl anion as well as some C-substituted derivatives have been characterized by 1H and 13C NMR spectroscopy for the first time; the two most noteworthy features are the absence of 3J(-P-C-) couplings for the phospholes and the huge 1J(CP) couplings for the phospholyl anions.

  首次通过1 H和13 C NMR光谱对母体磷酸根和磷酸根阴离子以及一些C取代的衍生物进行了表征。两个最值得注意的特征是，没有3 J（-PC- ）偶联用于磷脂和巨大的1 J（CP）偶联用于磷酰基阴离子。
• Olefin polymerization catalyst having a multidentate ligand
  申请人：Asahi Kasei Kogyo Kabushiki Kaisha

  公开号：EP0617052A2

  公开（公告）日：1994-09-28

  Disclosed is an olefin polymerization catalyst comprising a transition metal selected from metals of Groups IIIA including the lanthanide series, IVA, VA, VIA, VIIA and VIII of the Periodic Table of the Elements, and ligands L¹ and L² bonded thereto, wherein a combination of L¹ and L² is (1) a combination of ligand L¹ which is a group containing at least one phosphorus-containing group and ligand L² which is a ligand having a σ-bond, or a ligand having a σ-bond and a bond selected from at least one π-bond and at least one lone electron pair donative bond; (2) a combination of ligand L¹ which is a 5-membered heterocyclic pentadentate ligand having one or more heteroatoms and ligand L² which is a ligand having a σ-bond, or a ligand having a σ-bond and a bond selected from at least one π-bond and at least one lone electron pair donative bond, provided that when the pentadentate ligand contains only one heteroatom, L² is a ligand having a σ-bond, or a ligand having a σ-bond and at least one lone electron pair donative bond; and (3) a combination of ligand L¹ which is a trispyrazolyl tridentate ligand and ligand L² which is an alkapolyenyl ligand, and wherein each L¹ contains an element of Group VB or Group VIB. The catalyst of the present invention has extremely high catalytic activity for an olefin polymerization reaction as compared to conventional olefin polymerization catalysts.

  本发明公开了一种烯烃聚合催化剂，该催化剂包含选自元素周期表中包括镧系在内的IIIA族、IVA族、VA族、VIA族、VIIA族和VIII族金属的过渡金属，以及与其结合的配体L¹和L²、其中 L¹ 和 L² 的组合是 (1) 配体 L¹ 是含有至少一个含磷基团的基团，配体 L² 是具有 σ 键的配体，或具有 σ 键和选自至少一个 π 键和至少一个孤电子对捐赠键的键的配体的组合；(2) 配体 L¹ 的组合，配体 L¹ 是具有一个或多个杂原子的五元杂环配体，配体 L² 是具有σ键的配体，或具有σ键和选自至少一个π键和至少一个孤电子对捐赠键的配体、条件是当五价配体只含有一个杂原子时，L² 是具有一个 σ 键的配体，或具有一个 σ 键和至少一个孤电子对捐赠键的配体；和 (3) 配体 L¹（三异吡唑三叉配体）和配体 L²（烷基多烯配体）的组合，其中每个 L¹ 包含一个 VB 族或 VIB 族元素。与传统的烯烃聚合催化剂相比，本发明的催化剂对烯烃聚合反应具有极高的催化活性。