in methanol; ethylene glycol dimethyl ether on titration of compd. in 1,2-dimethoxyethane with iodine in methanol, formation of soln.;; isolation of (C6H5)3PAuI from soln.;;

in tetrahydrofuran byproducts: P(C6H5)3; Irradiation (UV/VIS); photolytic decomposition of solutions saturated with argon; UV, IR;