1: 58 percent / Na2CO3 / H2O 2: 47 percent / aq. NaOH / H2O / 1.) 13 deg C, 30 min, 2.) 25 deg C, 45 min View Scheme

1: 58 percent / Na2CO3 / H2O 2: 47 percent / aq. NaOH / H2O / 1.) 13 deg C, 30 min, 2.) 25 deg C, 45 min 3: 37 percent / LiCl, DMSO, satd. aq. NaCl in 11percent aq. NaOCl / pentane / 0.83 h / -5 °C View Scheme

With  sodium carbonate in  water