sodium hydroxide; borane; dihydrogen peroxide in tetrahydrofuran

sulfuric acid in tetrahydrofuran; water; ethyl acetate

sulfuric acid in tetrahydrofuran; n-heptane; water; ethyl acetate

dimethylsulfide borane complex in tetrahydrofuran 4 h; Heating;

1: 35 percent / H2SO4 / Heating 2: BH3*Me2S / tetrahydrofuran / 4 h / Heating View Scheme

tetrafluoroboric acid diethyl ether complex; potassium fluoride; lt;(CpTMS)2YMegt;2; SiMePh; dihydrogen peroxide; potassium hydrogencarbonate 1.) cyclohexane, room temperature, 12 h, 2.) CHCl3, 0 deg C, 1 h, 3.) MeOH, THF, reflux, 12 h; Yield given. Multistep reaction. Yields of byproduct given;

sodium hydroxide in pyridine; water; toluene