ChemInform Abstract: Oxidative-Addition Reactions of Potassium Tetrachloroplatinate(II) with N,N-Dialkylacetamides Under Mild Reaction Conditions. Synthesis of cyclic [cis-Pt(CH 2 N(CH 3 )C(CH 3 )O) 2 -trans-Cl 2 ] and [trans-Pt(OC(CH 3 )N(CH 3 ) 2 ) 2 -trans-Cl 2 ].