1: sodium azide / H2O; acetone / 1 h / Ambient temperature 2: H2, HCl / Pd-C / methanol 3: 2.0 g / sodium acetate / methanol / 2 h / Heating 4: lithium iodide, collidine / Heating View Scheme

1: 2.0 g / sodium acetate / methanol / 2 h / Heating 2: lithium iodide, collidine / Heating View Scheme

2,3,5-trimethyl-pyridine; lithium iodide Heating; Yield given;