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|Title:||Co-ligand effects in the catalytic activity of Pd(II)-NHC complexes|
|Authors:||Yeung, A.D. |
|Citation:||Yeung, A.D., Ng, P.S., Huynh, H.V. (2011-01-01). Co-ligand effects in the catalytic activity of Pd(II)-NHC complexes. Journal of Organometallic Chemistry 696 (1) : 112-117. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jorganchem.2010.08.017|
|Abstract:||Three cis-chelating di-N-heterocyclic carbene palladium(II) complexes [PdX2(diNHC)] (X = I, 1; X = SCN, 2; X = CF3CO 2, 3) bearing different anionic co-ligands were synthesized and fully characterized. A comparison of their catalytic activities in the Mizoroki-Heck reaction and conjugate addition of arylboronic acids to cyclic enones revealed increasing efficiency in the order SCN- < I- < CF3CO2 -. The di(trifluoroacetato) complex 3 showed the best activity in both transformations highlighting the importance of co-ligands effects in catalysis. In addition, the molecular structure of an unusual poly-heteronuclear complex salt 4 is reported, which has been isolated as a byproduct in the synthesis of complex 3. © 2010 Elsevier B.V. All rights reserved.|
|Source Title:||Journal of Organometallic Chemistry|
|Appears in Collections:||Staff Publications|
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