1: 1.) NaH / 1.) DMF, 2 h, 2.) DMF, 100 deg C, 8 h 2: 1.) hydrazine hydrate, 2.) 4 N aq. HCl / 1.) EtOH, reflux, 8 h, 2.) EtOH, reflux, 6 h View Scheme

hydrogenchloride; hydrazine hydrate 1.) EtOH, reflux, 8 h, 2.) EtOH, reflux, 6 h; Multistep reaction;