water in dichloromethane (N2); addn. of HBBr2(SMe2) at 0°C; filtration after 12 h into mixture of ice and ether (1:1); stirring for 30 min at room temperature; washing of organic phase with satd. NaCl-soln.; drying (MgSO4); removal of solvent in vac.; washing with hexane;

1: 1-ethynyl-4-fluorobenzene; Br2BH-SMe2 in dichloromethane T=0 - 20°C; Inert atmosphere; 2: water in diethyl ether; dichloromethane T=0 - 20°C; Inert atmosphere;

(i) CH2Cl2, (ii) BBr3; Multistep reaction;

in dichloromethane; pentane under N2, 1-hexene treated with BHBr2*SMe2 in CH2Cl2 followed by treating with isopropyl alcohol in pentane at 0°C; distd., elem. anal.;

in dichloromethane under N2, freshly distd. 2-phenylpropene added dropwise to CH2Cl2 soln.of BHBr2*SMe2 with water bath (15°C), cooled, mixt. left overnight at room temp., 1,3-bis(trimethylsiloxy)propane added, stirred for 3 h; solvent and volatiles removed by aspirator vac.;

pyridine in dichloromethane; pentane byproducts: (C5H5NH)Br; under N2; to soln. of 1-hexene in CH2Cl2 slowly added soln. of BHMe2*SMe2, stirred at room temp. for 3 h; soln. of B complex in CH2Cl2 slowly added to cold (0 °C) mixt. of t-BuOH, pyridine and pentane, warmed to room temp., stirred for 0.5 h; org. layer sepd. from solid, solid extd. with pentane, combined ext. evapd., distd.;

in dichloromethane C6H12 treated with Br2BH*SMe2 (0-24°C, 2 h); treated with LiSCH2CH2SLi (0-24°C, 18 h);

1: Br2BH-SMe2; phenylacetylene in dichloromethane T=0 - 20°C; Inert atmosphere; 2: water in diethyl ether; dichloromethane T=0 - 20°C; Inert atmosphere;