1: 1.) DCC, 2.) pyridinium trifluoroacetate, 3.) NH2OH*HCl, KHCO3 2: 1.) LAH, 2.) K2CO3 / 1.) ether 3: 2.) KCl, 3.) I2, HOAc 4: 100 percent / 50percent KOH / ethanol / 18 h / Heating 5: 99 percent / H2 / Pd/C / ethanol View Scheme