1: 41 percent / TsOH / methanol; H2O / 15 °C 2: methoxyethanol / Heating 3: 1.) borane-THF complex 2.) 6N HCl / 1.) THF, reflux, 2.) THF, reflux View Scheme

Multi-step reaction with 3 steps 1: 99 percent / H2NOH.HCl, NaHCO3 / ethanol; H2O / 60 °C2: LiAlH4 / tetrahydrofuran / Ambient temperature3: tetrahydrofuran; H2O / 0 °C  

Multi-step reaction with 2 steps 1: LiAlH4 / tetrahydrofuran / Ambient temperature2: tetrahydrofuran; H2O / 0 °C  

Multi-step reaction with 5 steps 1: 91 percent / DMSO/DCC/TFA / pyridine; benzene / Ambient temperature2: 87 percent / K2CO3 / methanol / Ambient temperature3: 99 percent / H2NOH.HCl, NaHCO3 / ethanol; H2O / 60 °C4: LiAlH4 / tetrahydrofuran / Ambient temperature5: tetrahydrofuran; H2O / 0 °C  

Multi-step reaction with 4 steps 1: 87 percent / K2CO3 / methanol / Ambient temperature2: 99 percent / H2NOH.HCl, NaHCO3 / ethanol; H2O / 60 °C3: LiAlH4 / tetrahydrofuran / Ambient temperature4: tetrahydrofuran; H2O / 0 °C  

Multi-step reaction with 2 steps 1: 41 percent / TsOH / methanol; H2O / 15 °C2: methoxyethanol / Heating