1.1: 86 percent / iPr2NEt / CH2Cl2 / 12 h / 25 °C 2.1: 88 percent / HF*pyridine / tetrahydrofuran / 12 h / 25 °C 3.1: 83 percent / CF3COOH / CH2Cl2 / 3 h / 0 °C 4.1: Et3N; 2,4,6-trichlorobenzoyl chloride / tetrahydrofuran / 3 h / 25 °C 4.2: 59 percent / DMAP / tetrahydrofuran; toluene / 12 h / 25 °C 5.1: hydroquinone; nBu3SnH / Mo(CO)3(tBuNC)3 / tetrahydrofuran / 12 h / 55 °C 5.2: 54 percent / I2 / CH2Cl2 / 25 °C 6.1: 90 percent / CuI / Pd(PPh3)4 / toluene / 8 h / 80 °C 7.1: 69 percent / Me2BBr / CH2Cl2 / 2 h / -78 °C 8.1: 85 percent / TEMPO; TCCA / CH2Cl2 / 1 h / 25 °C 9.1: NaClO2; NaH2PO4; 2-methyl-2-butene / 2-methyl-propan-2-ol; H2O; tetrahydrofuran / 0.5 h / 25 °C 10.1: NaBH4; CeCl3*7H2O / methanol / 1 h / 0 °C View Scheme