potassium hydroxide in methanol

1: 1) BuLi, propyl nitrate, 2) aqueous HCl / in THF/hexane, 1) 0 deg C, 45 min., 2) o deg C, 2h, 3) RT, 2h 2: 1) KOH, 2) HOAc / methanol, 1) 1h -10 deg C, 7h 0 deg C, 2) RT, 2h View Scheme