1: 1.) 100percent hydrazine hydrate, 2.) KOH / 1.) ethanol, diethylene glycol, reflux, 3 h, 2.) ethanol, diethylene glycol, reflux, 4 h 2: 2.5 g / HCl / ethanol / 48 h / Heating View Scheme

With  sodium acetate; pyridinium chlorochromate in  dichloromethane 2.5 h;  Ambient temperature;