Catalytically Active Cu(II)-Pybox Complexes: Insights by EPR Spectroscopy and DFT Computations

This paper addresses the geometry of the catalytic Cu(II) complexes formed in the course of stereoselective Diels–Alder reaction. The parent catalyst is [Cu(II)-isopropyl-pybox](OTf) 2 . Ethyl glyoxylate serves as dienophile and it reacts with 1,3-cyclohexadiene. The reaction is followed by CW EPR,...

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