Active Palladium Colloids via Palladacycle Degradation as Efficient Catalysts for Oxidative Homocoupling and Cross-Coupling of Aryl Boronic Acids

Vaibhav Sable; Karan Maindan; Anant R. Kapdi; Pushkar Sudhakar Shejwalkar; Kenji Hara

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Active Palladium Colloids via Palladacycle Degradation as Efficient Catalysts for Oxidative Homocoupling and Cross-Coupling of Aryl Boronic Acids

机译：通过Palladacycle降解活性钯胶体作为芳基硼酸的氧化均质偶联和交叉偶联的高效催化剂

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Active palladium colloids formed upon degradation of a palladacyclic complex (Herrmann–Beller 1 ) have been isolated for the first time and thoroughly characterized with techniques such as transmission electron microscopy (TEM), high-resolution TEM, X-ray photoelectron spectroscopy (XPS), and extended X-ray absorption fine structure spectroscopy. The synthesized palladium colloids have been utilized as efficient catalysts for the oxidative homocoupling of aryl boronic acids. Cross-coupling of two different aryl boronic acids has also been made possible using these active palladium colloids. This is the first report of this kind of coupling between aryl boronic acids.

机译：首次分离了由戊四环配合物（Herrmann-Beller 1）降解形成的活性钯胶体，并通过透射电子显微镜（TEM），高分辨率TEM，X射线光电子能谱等技术对其进行了全面表征（XPS）和扩展的X射线吸收精细结构光谱学。合成的钯胶体已被用作芳基硼酸的氧化均偶联的有效催化剂。使用这些活性钯胶体还可以使两种不同的芳基硼酸交叉偶联。这是芳基硼酸之间这种偶联的首次报道。

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《ACS Omega》 |2017年第1期|共14页
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Vaibhav Sable; Karan Maindan; Anant R. Kapdi; Pushkar Sudhakar Shejwalkar; Kenji Hara;
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1. Active Palladium Colloids via Palladacycle Degradation as Efficient Catalysts for Oxidative Homocoupling and Cross-Coupling of Aryl Boronic Acids [J] . Vaibhav Sable, Karan Maindan, Anant R. Kapdi, ACS Omega . 2017,第1期

机译：通过Palladacycle降解活性钯胶体作为芳基硼酸的氧化均质偶联和交叉偶联的高效催化剂
2. Highly Active, Well-Defined (Cyclopentadiene)(N-heterocyclic carbene)palladium Chloride Complexes for Room-Temperature Suzuki-Miyaura and Buchwald-Hartwig Cross-Coupling Reactions of Aryl Chlorides and Deboronation Homocoupling of Arylboronic Acids [J] . Zhong Jin, Su-Xian Guo, Xiao-Peng Gu Advanced synthesis & catalysis . 2009,第10期

机译：室温下铃木-宫浦和Buchwald-Hartwig的芳烃氯化物与芳基硼酸的脱硼均偶联的高活性，定义良好的（环戊二烯）（N-杂环卡宾）氯化钯配合物
3. Highly Active, Well-Defined (Cyclopentadiene)(N-heterocyclic carbene)palladium Chloride Complexes for Room-Temperature Suzuki-Miyaura and Buchwald-Hartwig Cross-Coupling Reactions of Aryl Chlorides and Deboronation Homocoupling of Arylboronic Acids [J] . Zhong Jin, Su-Xian Guo, Xiao-Peng Gu Advanced synthesis & catalysis . 2009,第10期

机译：高活性，定义的（环戊二烯）（环戊二烯）（N-杂环碳切菜）氯化铵配合物用于室温铃木菌和芳基氯酰氯和衰老同性耦合的芳基氯化物的交叉偶联反应
4. Highly Active, Air-Stable Combinatorial Catalysts for the Cross-Coupling of Aryl Chlorides: The First Homogeneous Combinatorial Catalysts for Industrial Applications [C] . George Y. Li Combinatorial Approaches for New Materials Discovery . 2002

机译：用于芳基氯化物交叉偶联的高活性，空气稳定的组合催化剂：首个用于工业应用的均相组合催化剂
5. Part I. Asymmetric hydrosilylation of acetophenone using titanium catalysts. Part II. Synthesis of water-soluble palladacycles and their applications to the Suzuki reaction. Part III. Rhodium-catalyzed addition of aryl and alkenylboronic acids to aldehyde [D] . Huang, Rongcai. 2005

机译：第一部分：使用钛催化剂的苯乙酮不对称氢化硅烷化。第二部分水溶性palladacycles的合成及其在铃木反应中的应用。第三部分铑催化的芳基和烯基硼酸加成醛
6. Active Palladium Colloids via Palladacycle Degradationas Efficient Catalysts for Oxidative Homocoupling and Cross-Couplingof Aryl Boronic Acids [O] . Vaibhav Sable, Karan Maindan, Anant R. Kapdi, 2017

机译：通过Palladacycle降解活性钯胶体作为氧化均质和交叉偶联的高效催化剂芳基硼酸
7. Active Palladium Colloids via Palladacycle Degradation as Efficient Catalysts for Oxidative Homocoupling and Cross-Coupling of Aryl Boronic Acids [O] . Vaibhav Sable, Karan Maindan, Anant R. Kapdi, 2017

机译：活性钯胶体通过palladacycle降解作为氧化偶联和芳基硼酸交叉偶联的有效催化剂

Active Palladium Colloids via Palladacycle Degradation as Efficient Catalysts for Oxidative Homocoupling and Cross-Coupling of Aryl Boronic Acids

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