in tetrahydrofuran Irradiation (UV/VIS); LiAuCl4 and poly(oxy((decyltri(oxyethylene))thiomethyl)ethylene) were added to a quartz reactor containing THF, the mixt. was equilibrated for 30 min and irradiated with UV-light at room temp. for 3 h; detected by UV-spectra and TEM;