sodium hydroxide; oct-1-ene; dihydrogen peroxide 1) room temperature, 2 h; Yield given. Multistep reaction;

hydrogenchloride in tetrahydrofuran; diethyl ether byproducts: H2; 2,3-dimethyl-2-butene added to a soln. of BH3*(CH3)2S in THF maintaining the temp. below 10°C; stirred for 1 h at 25°C; treated with an ethereal soln. of HCl at 0-5°C;

in tetrahydrofuran 0°C;