1: 80 percent / camphorsulfonic acid monohydrate 2: 90 percent / (Ph3P)2PdCl2; Et3N / N,N-dimethyl-acetamide / 100 °C 3: camphorsulfonic acid monohydrate / tetrahydrofuran 4: NaBH4 / methanol 5: Pb(OAc)4 / benzene 6: NaBH4 / methanol 7: sodium bis(2-methoxyethoxy)aluminum hydride / tetrahydrofuran / Heating 8: (PhO)2P(O)N3; Ph3P; diethyl azodicarboxylate / tetrahydrofuran 9: 100 percent / H2 / 10 percent Pd/C / ethanol 10: methanol / 110 °C 11: NaBH(OAc)3 / methanol 12: 98 percent / Na; NH3 / tetrahydrofuran 13: 60 percent / AcOH / Heating View Scheme