in melt byproducts: HF; other Radiation; ferrocenyl fluoride, substituted phenol were mixed in mortar, mixt. subjected to microwave radiation for 1 min; melt allowed to cool; passed through a silica gel column (hexane/Et2O, 1:1 as eluent); solvent removed; ferrocenemonocarboxylic acid removed from column with MeOH;