hydrogenchloride; carbon monoxide in tetrahydrofuran under N2; reaction of dithiol and BuLi at -78 °C; addn. of Fe-salt at room temp.; CO introduced for 2h; benzyl chloride added; stirring for 1h at room temp.; evapn.; excess of benzyl chloride removed by hexane; HCl and THF added; refluxed for 2h;; evapn.; treatment with H2O/CCl4; organic layer dried (Na2SO4), filtered and evapd.; distn. (180-220 °C, vacuum); elem. anal.;;

hydrogenchloride; sodium; iron(II) chloride 1.) MeOH, 5h, room temp., 2.) THF, 0.5h, reflux; Yield given. Multistep reaction;

chlorine in tetrachloromethane 24 h; Ambient temperature;

chlorine in tetrachloromethane 24 h; Ambient temperature;