146265-69-2Relevant academic research and scientific papers
Synthesis of O-Co-ordinated Platinum(II) Complexes of Carbonyl-stabilized Arsonium Ylides and the Mechanism of Conversion to their C-Co-ordinated Isomers
Facchin, Giacomo,Zanotto, Livio,Bertani, Roberta,Canovese, Luciano,Uguagliati, Paolo
, p. 2871 - 2874 (1993)
The reaction of 2>2 with ylides Ph3AsCHCOR (R = Me, Ph or OMe) led to novel platinum(II) complexes >BF4 (R = Me 1, Ph 2 or OMe 3) in which the carbonyl stabilized arsonium ylides are coordinated to the metal centre via the oxygen carbonyl atom.These derivatives are not stable in chlorinated solvents and slowly undergo isomerization to their C-co-ordinated analogues 4-6 following a first-order rate law.The mechanism proposed for this rearrangement implies both intramolecular and free-ylide promoted intermolecular paths with kobs values of the whole process depending on the basicity of the ylide.
