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Catalysts with mixed ligands on immobilized supports. Electronic and steric advantages
Michael P Doyle1, Ming Yan, Han-Mou Gau
1Department of Chemistry, University of Arizona, Tucson, Arizona 85721-0041, USA. mdoyle@u.arizona.edu
Organic Letters
|February 14, 2003
Abstract:
[reaction: see text] Immobilized dirhodium(II) catalysts having mixed chiral ligands enhance reactivity (AH = azetidinone) and influence stereoselectivity in cyclopropanation and carbon-hydrogen insertion reactions.