aluminium; aluminum tri-bromide; lead(II) bromide in tetrahydrofuran 1 h; Ambient temperature;

PMES-SO3H-NH2-A T=90°C; Henry reaction; 24 h;

PMES-SO3H-NH2-B T=90°C; Henry reaction; 24 h;

trimethylsilyl trifluoromethanesulfonate; bis(1,5-cyclooctadiene)nickel (0) in dichloromethane (N2 or Ar); trimethylsilyl trifluoromethanesulfonate added to a soln. ofSn compd. and CH3C6H4CH(OCH3)2 in CH2Cl2 at -78°C, stirred for 1 h at -78°C, a satd. aq. soln. of Na2CO3 added at -40°C, a llowed to warm to room temp.,; treated with solid K2CO3, a soln. of Ni complex in toluene and 1,2-heptadiene added, stirred at room temp. for 1 h, filtered, concd., chromd. (preparative GPC);

sodium tetrafluoroborate; sulfuric acid 1.) anodic oxidation, AcOH, 2.) RT, 3 h; Yield given. Multistep reaction. Yields of byproduct given;

sodium tetrafluoroborate; sulfuric acid 1.) anodic oxidation, AcOH, MeOH, 2.) RT, 3 h; Yield given. Multistep reaction. Yields of byproduct given;

digallium tetrachloride in carbon disulfide 24 h; Ambient temperature; Yield given. Yields of byproduct given;

triethylsilane; indium tribromide in toluene T=100°C; 1 h; Inert atmosphere;