1: 90 percent / (Ph3P)2PdCl2; Et3N / N,N-dimethyl-acetamide / 100 °C 2: camphorsulfonic acid monohydrate / tetrahydrofuran 3: NaBH4 / methanol 4: Pb(OAc)4 / benzene 5: NaBH4 / methanol 6: sodium bis(2-methoxyethoxy)aluminum hydride / tetrahydrofuran / Heating 7: (PhO)2P(O)N3; Ph3P; diethyl azodicarboxylate / tetrahydrofuran 8: 100 percent / H2 / 10 percent Pd/C / ethanol 9: methanol / 110 °C 10: NaBH(OAc)3 / methanol 11: 98 percent / Na; NH3 / tetrahydrofuran 12: 60 percent / AcOH / Heating View Scheme