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(2,3-二甲基-5-氧代环戊烯-1-基)硼酸 | 887748-93-8

中文名称
(2,3-二甲基-5-氧代环戊烯-1-基)硼酸
中文别名
——
英文名称
2-dihydroxyboryl-3,4-dimethyl-2-cyclopenten-1-one
英文别名
Boronic acid, (2,3-dimethyl-5-oxo-1-cyclopenten-1-yl)-;(2,3-dimethyl-5-oxocyclopenten-1-yl)boronic acid
(2,3-二甲基-5-氧代环戊烯-1-基)硼酸化学式
CAS
887748-93-8
化学式
C7H11BO3
mdl
——
分子量
153.974
InChiKey
KHCFAFDFQHNESK-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):
    -0.08
  • 重原子数:
    11
  • 可旋转键数:
    1
  • 环数:
    1.0
  • sp3杂化的碳原子比例:
    0.57
  • 拓扑面积:
    57.5
  • 氢给体数:
    2
  • 氢受体数:
    3

反应信息

  • 作为反应物:
    描述:
    (2,3-二甲基-5-氧代环戊烯-1-基)硼酸四(三苯基膦)钯 cerium(III) chloride 、 sodium carbonate 作用下, 以 四氢呋喃乙二醇二甲醚乙醚 为溶剂, 反应 14.0h, 生成 2,4-Difluoro-6-(2,4,5-trimethyl-cyclopenta-1,4-dienyl)-phenylamine
    参考文献:
    名称:
    o-Phenylene-bridged Cp/sulfonamido titanium complexes for ethylene/1-octene copolymerization
    摘要:
    2-(二羟基硼基)-3,4-二甲基-2-环戊烯-1-酮(1)和2-(二羟基硼基)-3-甲基-2-环戊烯-1-酮(2)的Suzuki偶联反应2-溴苯胺衍生物提供环戊烯酮化合物 (3–8),由环戊二烯化合物 4,6-R'2-2-(2,5-Me2C5H3)C6H2NH2 (9–11) 和 4,6-R'2-2制备-(2,3,5-Me3C5H2)C6H2NH2 (12–14)。用 p-TsCl 磺化 –NH2 基团后,通过连续添加 Ti(NMe2)4 和 Me2SiCl2 进行金属化,得到邻亚苯基桥联的 Cp/磺酰胺二氯化钛络合物,[4,6-R'2-2 -(2,5-Me2C5H2)C6H2NSO2C6H4CH3)]TiCl2 (R' = H, 21;R' = Me, 22;R' = F, 23) 和 [4,6-R'2-2-(2,3 ,5-Me3C5H)C6H2NSO2C6H4CH3)]TiCl2 (R' = H, 24;R' = Me, 25;R' = F, 26)。 24 和 [2-(2,5-Me2C5H2)C6H4NSO2C6H4CH3)]Ti(NMe2)2 (27) 的分子结构通过 X 射线晶体学测定。 24 中的 Cp(质心)-Ti-N 角 (100.90°) 比 CGC(约束几何催化剂)[Me2Si(η5-Me4Cp)(NtBu)]TiCl2 (107.6°) 观察到的更小,表明24 中的“受限特征”比 CGC 中的“受限特征”要多。在新制备的配合物中,配合物24在乙烯/1-辛烯共聚中表现出最高的活性,但在活性、共聚单体掺入能力和所得聚合物的分子量方面略逊于CGC。
    DOI:
    10.1039/b605345a
  • 作为产物:
    参考文献:
    名称:
    WO2007/78133
    摘要:
    公开号:
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文献信息

  • Transition Metal Complexes and Preparation Methods Thereof
    申请人:Lee Choong-Hoon
    公开号:US20090030221A1
    公开(公告)日:2009-01-29
    The present invention provides a novel mononuclear transition metal compound, a novel binuclear transition metal compound, a novel organic amine or phosphorous compound, and a method for preparing the same. The mononuclear transition metal compound according to the present invention is configured such that a cyclopentadienyl group and an amido or phosphorous group are bridged via a phenylene bridge. The binuclear transition metal compound according to the present invention is configured such that the two bridged mononuclear transition metal compounds configured such that a cyclopentadienyl group and an amido or phosphorous group are bridged via a phenylene bridge are linked via a bridging group located at the phenylene bridge. According to the present invention, the mononuclear transition metal compound, the binuclear transition metal compound, the organic amine or phosphorous compound can be prepared in a simple manner by using suzuki-coupling reaction with a high yield.
    本发明提供了一种新型的单核过渡金属化合物,一种新型的双核过渡金属化合物,一种新型的有机胺或磷化合物,以及其制备方法。根据本发明,所述单核过渡金属化合物的结构是通过苯桥连接环戊二烯基团和氨基或磷基团。根据本发明,所述双核过渡金属化合物的结构是通过位于苯桥处的桥接基团连接两个通过苯桥连接环戊二烯基团和氨基或磷基团的单核过渡金属化合物。根据本发明,通过使用高产率的铃木偶联反应,可以简单地制备单核过渡金属化合物、双核过渡金属化合物和有机胺或磷化合物。
  • o-Phenylene-bridged Cp/amido titanium and zirconium complexes and their polymerization reactivity
    作者:Sang Hoon Lee、Chun Ji Wu、Jina Yoo、Jung-eun Kwak、Hoseop Yun、Bun Yeoul Lee
    DOI:10.1016/j.jorganchem.2007.11.021
    日期:2008.2
    5-Me3C5H)C6H4NR-κN]TiCl2 (18, R = CH3; 19, R = CH2CH3; 20, R = CH2C(CH3)3; 21, R = CH2(C6H11)) and zirconium complexes [(η5-2,3,5-Me3C5H)C6H4NR-κN]ZrCl-μCl}2 (22, R = CH3; 23, R = CH2CH3; 24, R = CH2C(CH3)3; 25, R = CH2(C6H11); 26, R = C6H11; 27, R = CH(CH2CH3)2) are prepared via a key step of the Suzuki-coupling reaction between 2-dihydroxyboryl-3-methyl-2-cyclopenten-1-one (2) and the corresponding bromoaniline
    ø -亚苯基桥联三甲基/酰氨基钛配合物[(η 5 -2,3,5--ME 3 Ç 5 H)C 6 H ^ 4 NR-κ Ñ ]的TiCl 2(18,R = CH 3 ; 19,R = CH 2 CH 3 ; 20,R = CH 2 C(CH 3)3 ; 21,R = CH 2(C 6 H ^ 11))和锆络合物[(η 5 -2,3,5--ME 3 ç 5 H)C 6ħ 4 NR-κ Ñ ]的ZrCl-μCl} 2(22,R = CH 3 ; 23,R = CH 2 CH 3 ; 24,R = CH 2 C(CH 3)3 ; 25,R = CH 2(C 6 H 11); 26,R = C 6 H 11 ; 27,R = CH(CH 2 CH 3)2)是通过2-二羟基硼基-3-甲基-2-之间的Suzuki偶联反应的关键步骤制备的环戊烯-1-一(2)和相应的溴苯胺化合物。钛配合物18和19以及双
  • Transition Metal Complex, Catalyst Composition Including the Same and Olefin Polymer Using Catalyst Composition
    申请人:Lee Choong Hoon
    公开号:US20070225158A1
    公开(公告)日:2007-09-27
    Provided are a novel transition metal complex where a monocyclopentadienyl ligand to which an amido group is introduced is coordinated, a catalyst composition including the same, and an olefin polymer using the catalyst composition. The transition metal complex has a pentagon ring structure having an amido group connected by a phenylene bridge in which a stable bond is formed in the vicinity of a metal site, and thus, a sterically hindered monomer can easily approach the transition metal complex. By using a catalyst composition including the transition metal complex, a linear low density polyolefin copolymer having a high molecular weight and a very low density polyolefin copolymer having a density of 0.910 g/cc or less can be produced in a polymerization of monomers having large steric hindrance. Further, the reactivity for the olefin monomer having large steric hindrance is excellent.
    提供了一种新型过渡金属配合物,其中包括一个含有氨基基团的单环戊二烯基配体,一个包括该配合物的催化剂组合物,以及使用该催化剂组合物的烯烃聚合物。该过渡金属配合物具有一个五边形环结构,其中通过苯基桥连接的氨基基团与金属位点附近形成稳定键,因此,立体位阻单体可以轻松接近该过渡金属配合物。通过使用包括该过渡金属配合物的催化剂组合物,在聚合具有较大立体位阻的单体时,可以生产具有高分子量的线性低密度聚烯烃共聚物和密度为0.910克/立方厘米或更低的超低密度聚烯烃共聚物。此外,对于具有较大立体位阻的烯烃单体,其反应性非常优秀。
  • Bimetallic phenylene-bridged Cp/amide titanium complexes and their olefin polymerization
    作者:Sang Hoon Lee、Chun Ji Wu、Ui Gab Joung、Bun Yeoul Lee、Jinil Park
    DOI:10.1039/b710017e
    日期:——
    Bimetallic dichlorotitanium complexes, 2,6-[η5-2,5-Me2C5H2]2-4-R-C6H2N-µN}Ti(IV)Cl2}2 (7, R = Me; 8, R = F) and 4,4′-A[2-(η5-2,3,5-Me3C5H)C6H3NC6H11-κN}Ti(IV)Cl2]2 (18, A = CH2; 19, A = O; 20, A = ortho-C6H4) are prepared via a key step of the Suzuki-coupling reaction of 2-dihydroxyboryl-3-methyl-2-cyclopenten-1-one (1) with dibromo-compounds. The solid state structure of 7 was determined by X-ray crystallography. Complexes 7 and 8 are not active for ethylene/1-hexene copolymerization. Meanwhile, the complexes 18–20 are highly active and their activities are higher than that of the mononuclear analogue, 2-(η5-2,3,5-Me3C5H)C6H3NC6H11-κN}Ti(IV)Cl2 (21). The molecular weights of the polymers obtained with the bimetallic complexes 18–20 are higher than that of the polymer obtained using 21. Slightly higher contents of long-chain-branching are observed for the copolymers obtained using the bimetallic system.
    双金属二氯钛配合物2,6-[η5-2,5-Me2C5H2]2-4-R-C6H2N-µN}Ti(IV)Cl2}2 (7, R = Me; 8, R = F)和4,4′-A[2-(η5-2,3,5-Me3C5H)C6H3NC6H11-κN}Ti(IV)Cl2]2 (18, A = CH2; 19, A = O; 20, A = ortho-C6H4)是通过2-二羟基硼酰基-3-甲基-2-环戊烯-1-酮(1)与二溴化合物进行铃木偶联反应的关键步骤制备的。7的固态结构通过X射线晶体学测定。配合物7和8对乙烯/1-己烯共聚反应不活跃。同时,配合物18-20具有高度活性,其活性高于单核类似物2-(η5-2,3,5-Me3C5H)C6H3NC6H11-κN}Ti(IV)Cl2 (21)。用双金属配合物18-20制备的聚合物的分子量高于用21制备的聚合
  • TRANSITION METAL COMPLEX, CATALYST COMPOSITION INCLUDING THE SAME AND OLEFIN POLYMER USING CATALYST COMPOSITION
    申请人:LG Chem, Ltd.
    公开号:EP1999165B1
    公开(公告)日:2013-04-24
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