... OF ARYL CHLORIDES USING BURTON'S REAGENT James H Clark*a, Martin A MeClinton a, Craig W Jonesa, Philip Landona, D Bishopb and RJ BladeC ... effect. Page 3. 2135 Figure 1. Rate of Trifluoromethylation of Chloro-2, 4-dinitrobenzene in the presence of Charcoala 2 Time/h aReactions were carried .out as described in the text using the indicated quantities of added dry charcoal. ... Commun, 1986, 877 4. JH Clark and CW Jones, J. Chem. Sot., Chem. ...