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

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

Open Access

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

Author(s) -

Vaibhav Sable,

Karan Maindan,

Anant R. Kapdi,

Pushkar Shejwalkar,

Kenji Hara

Publication year - 2017

Publication title -

acs omega

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.779

H-Index - 40

ISSN - 2470-1343

DOI - 10.1021/acsomega.6b00326

Subject(s) - palladium , aryl , boronic acid , x ray photoelectron spectroscopy , catalysis , chemistry , suzuki reaction , colloid , combinatorial chemistry , organic chemistry , polymer chemistry , materials science , photochemistry , chemical engineering , alkyl , engineering

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.

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