1: 60 percent / aluminium chloride / chlorobenzene / 1 h / Heating 2: 99 percent / K2CO3 / acetone / Heating 3: 29 percent / NaOH; K2S2O8; pyridine / H2O / 24 h / 20 °C 4: 59 percent / K2CO3 / acetone / Heating 5: pyridine / 3 h / 20 °C 6: KOH / pyridine / 4 h / 60 °C 7: sulfuric acid / acetic acid / 1.5 h / 60 °C 8: BCl3 / CH2Cl2 / 1.5 h / -65 °C View Scheme

1: pyridine / 3 h / 20 °C 2: KOH / pyridine / 4 h / 60 °C 3: sulfuric acid / acetic acid / 1.5 h / 60 °C 4: BCl3 / CH2Cl2 / 1.5 h / -65 °C View Scheme

1: 92 percent / K2CO3 / acetone / 3 h / 65 °C 2: 60 percent / aluminium chloride / chlorobenzene / 1 h / Heating 3: 99 percent / K2CO3 / acetone / Heating 4: 29 percent / NaOH; K2S2O8; pyridine / H2O / 24 h / 20 °C 5: 59 percent / K2CO3 / acetone / Heating 6: pyridine / 3 h / 20 °C 7: KOH / pyridine / 4 h / 60 °C 8: sulfuric acid / acetic acid / 1.5 h / 60 °C 9: BCl3 / CH2Cl2 / 1.5 h / -65 °C View Scheme

1: pyridine / 3 h / 20 °C 2: KOH / pyridine / 4 h / 60 °C 3: sulfuric acid / acetic acid / 1.5 h / 60 °C 4: BCl3 / CH2Cl2 / 1.5 h / -65 °C View Scheme

1: 99 percent / K2CO3 / acetone / Heating 2: 29 percent / NaOH; K2S2O8; pyridine / H2O / 24 h / 20 °C 3: 59 percent / K2CO3 / acetone / Heating 4: pyridine / 3 h / 20 °C 5: KOH / pyridine / 4 h / 60 °C 6: sulfuric acid / acetic acid / 1.5 h / 60 °C 7: BCl3 / CH2Cl2 / 1.5 h / -65 °C View Scheme

1: oxalyl chloride / CH2Cl2 / 8 h / 20 °C 2: pyridine / 3 h / 20 °C 3: KOH / pyridine / 4 h / 60 °C 4: sulfuric acid / acetic acid / 1.5 h / 60 °C 5: BCl3 / CH2Cl2 / 1.5 h / -65 °C View Scheme

1: 59 percent / K2CO3 / acetone / Heating 2: pyridine / 3 h / 20 °C 3: KOH / pyridine / 4 h / 60 °C 4: sulfuric acid / acetic acid / 1.5 h / 60 °C 5: BCl3 / CH2Cl2 / 1.5 h / -65 °C View Scheme

1: 29 percent / NaOH; K2S2O8; pyridine / H2O / 24 h / 20 °C 2: 59 percent / K2CO3 / acetone / Heating 3: pyridine / 3 h / 20 °C 4: KOH / pyridine / 4 h / 60 °C 5: sulfuric acid / acetic acid / 1.5 h / 60 °C 6: BCl3 / CH2Cl2 / 1.5 h / -65 °C View Scheme

1: KOH / H2O; ethanol / 6 h / Heating 2: oxalyl chloride / CH2Cl2 / 8 h / 20 °C 3: pyridine / 3 h / 20 °C 4: KOH / pyridine / 4 h / 60 °C 5: sulfuric acid / acetic acid / 1.5 h / 60 °C 6: BCl3 / CH2Cl2 / 1.5 h / -65 °C View Scheme

hydrolysis