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[(Pd(μ-Cl)(κ(2)-P,C-P(OC6H2-2,4-tBu2)(OC6H3-2,4-tBu2)2))2] | 217189-40-7

中文名称
——
中文别名
——
英文名称
[(Pd(μ-Cl)(κ(2)-P,C-P(OC6H2-2,4-tBu2)(OC6H3-2,4-tBu2)2))2]
英文别名
[(Pd(μ-Cl)(κ2-P,C-P(OC6H2-2,4-tBu2)(OC6H3-2,4-tBu2)2))2];[Pd(. mu.-Cl)(κ2-P,C-(P(OC6H2-2,4-t-Bu2)(OC6H3-2,4-t-Bu2)2)]2;[PdCl(κ2-P,C-(P(OC6H3-2,4-t-Bu2)(OC6H3-2,4-t-Bu2)]2;[PdCl(C6H2(t-Bu)2OP(OC6H3-2,4-(t-Bu)2)2)]2;(tBu2(C6H2)OP(O(C6H3-2,4-tBu2))2PdCl2)2;(2,4-Ditert-butylbenzene-6-id-1-yl) bis(2,4-ditert-butylphenyl) phosphite;palladium(2+);dichloride
[(Pd(μ-Cl)(κ(2)-P,C-P(OC6H2-2,4-tBu2)(OC6H3-2,4-tBu2)2))2]化学式
CAS
217189-40-7;609842-84-4
化学式
C84H124Cl2O6P2Pd2
mdl
——
分子量
1575.6
InChiKey
LQPOGEPXJXBODX-UHFFFAOYSA-L
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):
    27.44
  • 重原子数:
    96
  • 可旋转键数:
    24
  • 环数:
    6.0
  • sp3杂化的碳原子比例:
    0.57
  • 拓扑面积:
    55.4
  • 氢给体数:
    0
  • 氢受体数:
    8

安全信息

  • 危险品标志:
    Xn
  • 危险性防范说明:
    P261,P305+P351+P338
  • 危险性描述:
    H302,H315,H319,H335

SDS

SDS:869b5e6e275b20a9e790de6d8fed84c7
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反应信息

  • 作为反应物:
    描述:
    [(Pd(μ-Cl)(κ(2)-P,C-P(OC6H2-2,4-tBu2)(OC6H3-2,4-tBu2)2))2] 、 2H-咪唑-2-亚基,1,3-二环己基-1,3-二氢- 以 四氢呋喃甲苯 为溶剂, 以60%的产率得到bis(1,3-dicyclohexylimidazolin-2-ylidene)[2-[[bis[2,4-di-tert-butylphenoxy]phosphino-κP]oxy]-3,5-di-tert-butylphenyl-κC]palladium(II) chloride
    参考文献:
    名称:
    Preparation of NHC-substituted phosphitepalladacycles
    摘要:
    The preparation of unsaturated NHC-substituted phosphitepalladacycles via phosphitepalladacycle acetato and chloro precursors and azoliurn salts with non-coordinating anions in DMSO is reported. With this one-pot synthesis NHC-substituted phosphitepalladacycles are obtained avoiding multi-step reactions. The molecular structures of an acetate-bridged phosphitepalladacycle dimer, an unsaturated NHC-substituted palladacyclic complex and one acetylacetonato phosphapalladacycle complex have been determined by single-crystal X-ray analysis. (c) 2007 Elsevier B.V. All rights reserved.
    DOI:
    10.1016/j.jorganchem.2007.03.020
  • 作为产物:
    描述:
    抗氧剂168 、 palladium dichloride 以 not given 为溶剂, 以96%的产率得到[(Pd(μ-Cl)(κ(2)-P,C-P(OC6H2-2,4-tBu2)(OC6H3-2,4-tBu2)2))2]
    参考文献:
    名称:
    Orthopalladated triaryl phosphite complexes as highly active catalysts in biaryl coupling reactions
    摘要:
    通过对市场上廉价的三(2,4-二叔丁基苯基)亚磷酸进行正钯化反应,得到了二聚络合物 3,该络合物在双芳基偶联反应中被证明是一种极其活跃的催化剂,在铃木反应中,其周转次数高达 1000000 [摩尔产物(摩尔 Pd)-1],周转频率接近 900000 [摩尔产物(摩尔 Pd)-1 h-1],在斯蒂尔反应中,其周转次数高达 830000 [摩尔产物(摩尔 Pd)-1 h-1],这是前所未有的。
    DOI:
    10.1039/a806041j
  • 作为试剂:
    参考文献:
    名称:
    PdII 催化硼酸与酮戊二酸酯的共轭加成以合成具有神经保护活性的功能化哒嗪-3(2H)-酮
    摘要:
    报道了在过渡金属催化下硼酸与酮戊二酸酯的区域选择性共轭加成的发展。在为这种转化测试的不同催化剂中,用 Pd(OCOCF3)2、dppben 和 HBF4 生成的双阳离子 PdII 催化剂在产率、区域选择性和避免 Heck 型副产物方面表现最好。由此产生的 4-aryl-2-oxopentadienoates 转化为哒嗪-3(2H)-ones,可能用于治疗神经退行性疾病。这些化合物同时表现出 β-分泌酶活性、抑制 β-淀粉样蛋白 (βA) 聚集和分解预先形成的 βA 原纤维,并且还具有良好的细胞内活性氧 (ROS) 清除能力。
    DOI:
    10.1002/ejoc.201200734
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文献信息

  • Chiral triaryl phosphite-based palladacycles and platinacycles: synthesis and application to asymmetric Lewis acid catalysis
    作者:Robin B. Bedford、Helena Dumycz、Mairi F. Haddow、Lukasz T. Pilarski、A. Guy Orpen、Paul G. Pringle、Richard L. Wingad
    DOI:10.1039/b907333g
    日期:——
    The optically pure monophosphites P(OAr)(BINOLate) (7, where Ar = 2,4-di-tert-butylphenyl) have been prepared by treatment of PCl2(OAr) with R- or S-BINOL. Treatment of [PdCl2(NCMe)2] with 7 gave [PdCl2(7)2] (9) or the binuclear orthometallated complex [Pd2Cl2(7-H)2] (8) depending on the reaction conditions. Bridge cleavage reactions of 8 gave [PdCl(7-H)(L)] with L trans to carbon when L = PPh3 or 7 and cis to carbon when L = N-heterocyclic carbene. Treatment of [PtCl2(NCtBu)2] with 7 gave [PtCl2(7)2] (18) which upon further reaction with PtCl2 furnished a mixture of binuclear [Pt2Cl2(7-H)2] (17) and cis-[PtCl(7-H)(7)] (19). The palladium complexes containing cyclometallated 7 were screened for catalysis of 1,4-conjugate addition of phenylboronic acid to cyclohexen-2-one and the allylation of benzaldehyde with allyltributyltin. Conversions were generally high in each case but enantioselectivities were low (15% e.e. at best). The X-ray crystal structures of 8, 17 and [PdCl(7-H)(NHC)] (10a, where NHC = 1,3-(dimesityl)imidazolidin-2-ylidene) have been determined.
    通过将PCl2(OAr)与R-或S-BINOL反应,制备了光学纯的单膦酸酯P(OAr)(BINOLate) (7, 其中Ar = 2,4-二叔丁基苯基)。将[PdCl2(NCMe)2]与7反应,根据反应条件得到[PdCl2(7)2] (9)或二核邻金属配合物[Pd2Cl2(7-H)2] (8)。8的桥断裂反应得到当L = PPh3或7时与碳反式排列的[PdCl(7-H)(L)],当L = N-杂环卡宾时与碳顺式排列。将[PtCl2(NCtBu)2]与7反应得到[PtCl2(7)2] (18),进一步与PtCl2反应得到二核[Pt2Cl2(7-H)2] (17)和顺式-[PtCl(7-H)(7)] (19)的混合物。含环金属化7的钯配合物被筛选用于催化苯硼酸对环己烯-2-酮的1,4-共轭加成和苯甲醛与三丁基锡烯烃的烯丙基化反应。每种情况下的转化率一般都很高,但对映选择性较低(最好的情况下为15% 对映体过量)。8、17和[PdCl(7-H)(NHC)] (10a, 其中NHC = 1,3-(二甲基)咪唑啉-2-亚基)的X射线晶体结构已经确定。
  • The Role of Ligand Transformations on the Performance of Phosphite- and Phosphinite-Based Palladium Catalysts in the Suzuki Reaction
    作者:Robin B. Bedford、Samantha L. Hazelwood、Michael E. Limmert、John M. Brown、Shailesh Ramdeehul、Andrew R. Cowley、Simon J. Coles、Michael B. Hursthouse
    DOI:10.1021/om020941f
    日期:2003.3.1
    orthometalated complex [Pd(μ-Cl)κ2-P,C-P(OC6H2-2,4-tBu2)(OC6H3-2,4-tBu2)2}}2] reacts with phenylboronic acid hydrate and K2CO3 in dimethylacetamide to give [Pdκ2-P,C-μ2-O-P(O)(C6H2-2,4-tBu2)(C6H3-2,4-tBu2)(DMAc)}]. When the reaction is repeated in dimethylformamide 3,3‘,5,5‘-tetra-tert-butyl-2,2‘-biphenol is isolated. Both compounds have been characterized crystallographically. The reaction of palladium
    的邻位金属化配合物[的Pd(μ-Cl)的κ 2 - P,Ç -P(OC 6 H ^ 2 -2,4-吨卜2)(OC 6 H ^ 3 -2,4-吨卜2)2 } } 2 ]与苯基硼酸水合物和K进行反应2 CO 3在二甲基乙酰胺,得到[钯κ 2 - P,ç -μ 2 - ö -P(O)(C 6 H ^ 2 -2,4-吨卜2) (C 6H 3 -2,4- t Bu 2)(DMAc)}]。当反应在二甲基甲酰胺3,3'被重复,5,5'-四-叔丁基-2,2'-联苯酚是分离的。两种化合物均已通过结晶学表征。二氯化钯与P i Pr 2(OC 6 H 4 -4-Et)在2-甲氧基乙醇中的反应,然后在乙醇的存在下重结晶,导致反式-[PdCl 2 P i Pr 2(OEt)的形成} 2],其也通过晶体学表征。为了确定相关的溶剂分解工艺是否对催化活性有影响,在芳基溴化物的Suzuki偶联中评估了一系列具有“水
  • Five-coordinate Pd(<scp>ii</scp>) orthometallated triarylphosphite complexes
    作者:Robin B. Bedford、Michael Betham、Craig P. Butts、Simon J. Coles、Marica Cutajar、Thomas Gelbrich、Michael B. Hursthouse、P. Noelle Scully、Stephen Wimperis
    DOI:10.1039/b613524b
    日期:——
    the orthopalladated triarylphosphite complexes [Pd(µ-Cl)κ2-P,C-P(OC6H2-2,4-R2)(OC6H3-2,4-R2)}2] (R = H, tBu) with bis(2-diphenylphosphinoethyl)phenylphosphine leads to a five-coordinate palladium(II) (R = H) and a mixture containing four-and five-coordinate species (R = tBu). The crystal structure of the five-coordinate species [Pdκ2-P,C-(P(OC6H4)(OC6H5)2}bis(2-diphenylphosphinoethyl)phenylphosphine}][SbF6]
    所述orthopalladated三芳基亚磷酸酯的复合物的反应[的Pd(μ-Cl)的κ 2 - P,Ç -P(OC 6 H ^ 2 -2,4-R 2)(OC 6 H ^ 3 -2,4-R 2) } 2 ](R = H,t Bu)与双(2-二苯基膦基乙基)苯基膦反应生成五配位的钯(II)(R = H)和一种包含四配位和五配位物质的混合物(R = t Bu )。五坐标物种[Pd所构成的晶体结构κ 2 - P,Ç - (P(OC 6 H ^ 4)(OC提出了6 H 5) 2 } 双(2-二苯基膦基乙基)苯基膦}] [SbF 6 ]。该配合物与过氧化氢或[AuCl(tht)]反应生成四配位配合物,其中取代的膦残基被氧化或与氯化金配位;这表明五坐标配合物在溶液中不稳定。相比之下,二聚体前体与1,1,1-三(二苯基膦基甲基)乙烷的反应在固态下给出了四配位络合物,尽管有证据表明较小的亚磷酸酯体系在室温或室温下为五配位。解决方案更高。
  • Polystyrene-supported dicyclohexylphenylphosphine adducts of amine- and phosphite-based palladacycles in the Suzuki coupling of aryl chlorides
    作者:Robin B. Bedford、Simon J. Coles、Michael B. Hursthouse、V�ronique J. M. Scordia
    DOI:10.1039/b415286g
    日期:——
    The polystyrene-immobilised palladacyclic complexes [Pd(TFA)(κ2-N,C-C6H4CH2NMe2)P(C6H4-4-PS)Cy2}] and [PdCl(κ2-P,C-P(OC6H2-2,4-tBu2)(OC6H3-2,4-tBu2)2}P(C6H4-4-PS)Cy2}] (PS = polystyrene) and the homogeneous analogues [Pd(TFA)(κ2-N,C-C6H4CH2NMe2)(PPhCy2)] and PdCl(κ2-P,C-P(OC6H2-2,4-tBu2)(OC6H3-2,4-tBu2)2}(PPhCy2)] were synthesised and characterised. The X-ray structure of one of the homogeneous analogues, [Pd(TFA)(κ2-N,C-C6H4CH2NMe2)(PPhCy2)] was determined. All the complexes have been tested and show good activity in the Suzuki coupling of aryl chloride substrates. While the polystyrene-immobilised complexes are not recyclable, they are easily extracted and show low levels of palladium leaching.
    聚苯乙烯固定化苍术络合物[Pd(TFA)(κ2-N,C-C6H4CH2NMe2)P(C6H4-4-PS)Cy2}]和[PdCl(κ2-P,C-P(OC6H2-2,4-tBu2)(OC6H3-2、4-tBu2)2}P(C6H4-4-PS)Cy2}](PS = 聚苯乙烯)以及均相类似物[Pd(TFA)(κ2-N,C-C6H4CH2NMe2)(PPhCy2)]和 PdCl(κ2-P,C-P(OC6H2-2,4-tBu2)(OC6H3-2,4-tBu2)2}(PPhCy2)]的合成和表征。确定了其中一种均相类似物 [Pd(TFA)(κ2-N,C-C6H4CH2NMe2)(PPhCy2)]的 X 射线结构。经测试,所有配合物在芳基氯底物的铃木偶联中都表现出良好的活性。虽然聚苯乙烯固定化络合物不可回收,但它们很容易提取,而且钯浸出率很低。
  • Orthopalladated triaryl phosphite complexes as highly active catalysts in biaryl coupling reactions
    作者:David A. Albisson、Robin B. Bedford、P. Noelle Scully、Simon E. Lawrence
    DOI:10.1039/a806041j
    日期:——
    Orthopalladation of inexpensive, commercially available tris(2,4-di-tert-butylphenyl) phosphite gives a dimeric complex 3 which proves to be an extremely active catalyst in biaryl coupling reactions, giving unprecedented turnover numbers of up to 1000000 [mol product (mol Pd)–1] and turnover frequencies of nearly 900000 [mol product (mol Pd)–1 h–1] in the Suzuki reaction and turnover numbers of up to 830000 in the Stille reaction.
    通过对市场上廉价的三(2,4-二叔丁基苯基)亚磷酸进行正钯化反应,得到了二聚络合物 3,该络合物在双芳基偶联反应中被证明是一种极其活跃的催化剂,在铃木反应中,其周转次数高达 1000000 [摩尔产物(摩尔 Pd)-1],周转频率接近 900000 [摩尔产物(摩尔 Pd)-1 h-1],在斯蒂尔反应中,其周转次数高达 830000 [摩尔产物(摩尔 Pd)-1 h-1],这是前所未有的。
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