jones reagent in acetone 0.0833333 h; Ambient temperature;

1: 12 mg / Jones reagent / acetone / 0.08 h / Ambient temperature 2: 710 mg / lithium tri-tert-butoxyaluminium hydride / tetrahydrofuran / 1 h / Ambient temperature 3: 0.42 g / pyridine / Ambient temperature 4: 28 mg / sodium acetate / acetic acid / 1) reflux 4 h, 2) standing overnight View Scheme

1: 12 mg / Jones reagent / acetone / 0.08 h / Ambient temperature 2: 710 mg / lithium tri-tert-butoxyaluminium hydride / tetrahydrofuran / 1 h / Ambient temperature 3: 0.42 g / pyridine / Ambient temperature 4: 11 mg / NaI/Zn / 1,2-dimethoxy-ethane / 40 h / Heating View Scheme