lithium aluminium tetrahydride in tetrahydrofuran Ambient temperature;

1: 76 percent / pyridinium chlorochromate / CH2Cl2 / Ambient temperature 2: 1.) hydrazine, 2.) 40percent NaOH / 1.) diethylene glycol, reflux, 2.) a) 0 deg C, b) 50-60 deg C, c) reflux View Scheme

pyridinium chlorochromate in dichloromethane Ambient temperature;