Photochemical halide exchange in CpFe(CO)(L)X complexes (Cp = ν5-C5H5; L = CO, PPh3; X = Br, I). Tandem photosubstitution of X- and CO

Article abstract of DOI:10.1016/0022-328X(91)86070-7

Upon irradiation with visible light in the presence of Bu4N⁺Y^- (Y^- is a halide lighter than X^-) the title complexes undergo halide exchange.In the presence of PPh3 and Bu4N⁺Y^- tandem photosubstitution of CO by PPh3 and X^- by Y^- takes place in high yield.