|Title:||Observation of binuclear palladium clusters upon ESI-MS monitoring of the Suzuki–Miyaura cross-coupling catalyzed by a dichloro-bis(aminophosphine) complex of palladium|
|Authors :||Agrawal, Divya|
Frech, Christian M.
|Published in :||Organometallics|
|Publisher / Ed. Institution :||American Chemical Society|
|License (according to publishing contract) :||Licence according to publishing contract|
|Type of review:||Peer review (Publication)|
|Subject (DDC) :||540: Chemistry|
|Abstract:||Electrospray ionization mass spectrometry (ESI-MS) is used for monitoring the progress of the Suzuki–Miyaura cross-coupling reaction between bromobenzene and arylboronic acids using a palladium dichloro-bis(aminophosphine) complex as a precatalyst. The ESI-MS studies demonstrate that initiation of the catalytic reaction requires the presence of a base and that the selectivity for cross-coupling is favorable at elevated temperatures. Interestingly, after completion of the coupling reaction, the palladium is present as a dinuclear Pd0/PdII cluster, which still acts as an active catalyst when a new aliquot of reactants is added to the reaction mixture.|
|Departement:||Life Sciences and Facility Management|
|Publication type:||Article in scientific Journal|
|Appears in Collections:||Publikationen Life Sciences und Facility Management|
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