Conversion of (η<sup>5</sup>-C<sub>5</sub>H<sub>5</sub>)Co(PPh<sub>3</sub>)<sub>2</sub> and Nitro Compounds to Mononuclear η<sup>1</sup>(<i>N</i>)-Nitrosoalkyl and Dinuclear μ-η<sup>1</sup>(<i>N</i>):η<sup>2</sup>(<i>N</i>,<i>O</i>)-Nitrosoaryl Complexes
作者:Joseph M. O'Connor、Kevin D. Bunker
DOI:10.1021/om034083e
日期:2003.12.1
The room-temperature reaction of (eta(5)-C5H5)Co(PPh3)(2) (5) with aliphatic nitro compounds, RNO2, where R = Me, Et, iPr, leads to formation of the corresponding eta(1)-nitroso derivatives (eta(5)-C5H5)Co(PPh3)[eta(1)(N)-N(O)R] (6-Me, R = Me; 6-Et, R = Et; 6-Pr, R = iPr). Aromatic nitro compounds, ArNO2, where Ar = -C6H5, -p-C(6)H(4)CdropCTMS, undergo reaction with 5 to give the mu-eta(1):eta(2) -nitroso derivatives, [(eta(5)-C5H5)CO](2)[mu-eta(1)(N):eta(2)(N,O)-N(O)R](2) (7-Ph, R = -C6H5; 7-Ar, R = -p-C(6)H(4)CdropCTMS). Complexes 6-Me and 7-Ar were -characterized by X-ray crystallographic analyses.