%A H Nakamura %A T Usui %A H Kuroda %A I Ryu %A H Matsubara %A S Yasuda %A DP Curran %J Organic Letters %T Fluorous solvent as a new phase-screen medium between reagents and reactants in the bromination and chlorination of alcohols %X (Matrix presented) A perfluorohexane layer regulates the rate of reagent transport in the bromination and chlorination of alcohols. A fluorous triphasic U-tube method is effective for lighter reagents; the thionyl chloride layer (yellow) vanishes, and the chlorides are obtained from the right top organic layer in the chlorination of alcohols. %N 8 %P 1167 - 1169 %V 5 %D 2003 %R 10.1021/ol034060w %L pittir20464