Archives for Chemistry Experiments of Bis(tri-tert-butylphosphine)palladium

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Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments. Computed Properties of C24H54P2Pd. Introducing a new discovery about 53199-31-8, Name is Bis(tri-tert-butylphosphine)palladium

Palladium-Catalyzed Arylation of Arylboronic Acids with Yagupolskii-Umemoto Reagents

A Pd-catalyzed Suzuki cross-coupling of arylboronic acids with Yagupolskii-Umemoto reagents was explored. In contrary to trifluoromethylations, the Pd-catalyzed reaction of R-B(OH)2 and [Ar2SCF3]+[OTf]- provided the arylation products (R-Ar) in good to high yields. The reaction confirms that the S-Ar bonds of [Ar2SCF3]+[OTf]- can be readily cleaved in the presence of Pd complexes. The relatively electron-poor aryl groups of asymmetric [Ar1Ar2SCF3]+[OTf]- salts are more favorably transferred compared to the electron-rich ones. This reaction represents the first report of utilization of [Ar2SCF3]+[OTf]- as arylation reagents in organic synthesis.

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Reference£º
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method