1: 72 percent / m-CPBA / CH2Cl2 / 24 h / 0 - 20 °C 2: Py*9HF / CH2Cl2 / 12 h / -10 °C View Scheme

sodium hydroxide; dihydrogen peroxide; dIpc2BH 1.) THF, -25 deg C, 6 h, 2.) THF, RT, 5 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

sodium hydroxide; dihydrogen peroxide; (Ipc)2BH 1.) THF, 2.) water; Yield given. Multistep reaction;