1: 87 percent / K2CO3 / methanol / Ambient temperature 2: 99 percent / H2NOH.HCl, NaHCO3 / ethanol; H2O / 60 °C 3: LiAlH4 / tetrahydrofuran / Ambient temperature 4: tetrahydrofuran; H2O / 0 °C 5: 41 percent / TsOH / methanol; H2O / 15 °C 6: methoxyethanol / Heating 7: 1.) borane-THF complex 2.) 6N HCl / 1.) THF, reflux, 2.) THF, reflux View Scheme

With  potassium carbonate in  methanol  Ambient temperature;   

With  dimethyl sulfoxide; dicyclohexyl-carbodiimide; trifluoroacetic acid in  pyridine; benzene  Ambient temperature;   

Multi-step reaction with 2 steps 1: 95 percent / K2CO3 / methanol / 2 h / 0 - 20 °C2: (COCl)2; DMSO; Et3N / CH2Cl2 / -78 °C  

Multi-step reaction with 2 steps 1: 87 percent / K2CO3 / methanol / Ambient temperature2: 99 percent / H2NOH.HCl, NaHCO3 / ethanol; H2O / 60 °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 5 steps 1: 87 percent / K2CO3 / methanol / Ambient temperature2: 99 percent / H2NOH.HCl, NaHCO3 / ethanol; H2O / 60 °C3: LiAlH4 / tetrahydrofuran / Ambient temperature4: tetrahydrofuran; H2O / 0 °C5: 41 percent / TsOH / methanol; H2O / 15 °C  

Multi-step reaction with 6 steps 1: 87 percent / K2CO3 / methanol / Ambient temperature2: 99 percent / H2NOH.HCl, NaHCO3 / ethanol; H2O / 60 °C3: LiAlH4 / tetrahydrofuran / Ambient temperature4: tetrahydrofuran; H2O / 0 °C5: 41 percent / TsOH / methanol; H2O / 15 °C6: methoxyethanol / Heating