1.1: 85 percent / p-chlorophenyl isocyanate; Et3N / benzene / 10 h / Heating 2.1: Mo(CO)6 / H2O; acetonitrile / 1.5 h / Heating 3.1: 35 mg / MsCl; Et3N / CH2Cl2 / 2 h / 20 °C 4.1: 97 percent / PPTS / ethanol / 10 h / 50 °C 5.1: LiOH / H2O; tetrahydrofuran / 0.33 h / 5 °C 6.1: Et3N; 2,4,6-trichlorobenzoyl chloride / tetrahydrofuran / 3 h / 20 °C 6.2: 5.5 mg / DMAP / toluene / 14 h / Heating 7.1: 85 percent / NaBH4 / methanol / 0.5 h / -78 °C 8.1: 95 percent / BF3*Et2O; thiophenol / CH2Cl2 / 0.5 h / 20 °C View Scheme