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Isolation of Bis(η2-nitrato)(η4-cyclobutadiene)cobalt(II) Complexes from the Oxidation of Sterically Hindered CpCo-Stabilized Cyclobutadiene Complexes

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posted on 10.05.2004, 00:00 authored by Carsten Schaefer, Rolf Gleiter, Frank Rominger
The oxidation of sterically hindered, CpCo-protected cyclobutadienes with ceric ammonium nitrate (CAN) yielded the paramagnetic Co(NO3)2-protected cyclobutadiene products. These half-sandwich complexes represent possible intermediates within the mechanism of the CAN decomplexation of CpCo−cyclobutadiene complexes.