NO Insertion Reaction of Ethyl(nitrosyl)ruthenium Complex Having Hydrotris(pyrazolyl)borate and Conversion to Acetaldoxime and Acetonitrile Complexes

Ethyl(nitrosyl)ruthenium [TpRuCl(Et)(NO)] (2) was isolated from the reaction of [TpRuCl 2 (NO)] (1) with LiBHEt 3 . NO insertion of 2 was observed from heating a solution of 2. In the presence of PPh 3 , nitrosoethane complex [TpRuCl-{N(=O)Et}(PPh 3 )] (3) was isolated, but the absence of PPh 3 led to nitrosoethane-bridged dimer [(TpRuCl) 2 {μ-N(=O)Et} 2 ] (6). Also, in complex 3, conversion of the nitrosoethane moiety to acetaldoxime and acetonitrile was observed.