1: Pd(OH)2; H2 / tetrahydrofuran / 2 h / 20 °C 2: diisopropylethyl amine; DMSO; SO3*pyridine / CH2Cl2 / 1 h / 0 °C 3: 4 Angstroem molecular sieves; SnCl4 / CH2Cl2 / -40 °C 4: TBAF / dimethylformamide; tetrahydrofuran / 6 h / 90 °C 5: 0.5 h / 20 °C 6: Pd(PPh3)4; water / tetrahydrofuran / 2 h / 20 °C 7: AgNO3/SiO2 / hexane; CH2Cl2 / 2 h 8: KCN / methanol / 0.33 h View Scheme