Switching Regioselectivity in Crossed Acyloin Condensations between Aromatic Aldehydes and Acetaldehyde by Altering N-Heterocyclic Carbene Catalysts
Ming Yu Jin, Sun Min Kim, Hogyu Han, Do Hyun Ryu and Jung Woon Yang*
*Department of Energy Science, Sungkyunkwan University, Suwon 440-746, Korea, Email: jwyangskku.edu
M. Y. Jin, S. M. Kim, H. Han, D. H. Ryu, J. W. Yang, Org. Lett., 2011, 13, 880-883.
DOI: 10.1021/ol102937w (free Supporting Information)
The appropriate choice of N-heterocyclic carbene catalysts enables an unprecedented high level of regioselectivities in the intermolecular crossed acyloin condensations of various aromatic aldehydes with acetaldehyde.
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