Insertion of Electron-Deficient Olefins into the C–H Bond of 2-Furanyl- and 2-Thienylplatinum Complexes

The treatment of 2-furanylplatinum with maleic anhydride (MA), tetracyanoethylene (TCNE) and 7,7,8,8-tetracyanoquinodimethane (TCNQ) results in insertion of the olefins into the C–H bond of furanyl group at the 5-position. 2-Thienylplatinum complex similarly reacts with TCNE and TCNQ to give the insertion products.