hydrogenchloride in water; acetic acid 2 h;

1: 99 percent / SOCl2 / benzene / 1.5 h 2: 85 percent / NaCN / H2O 3: 87 percent / 20percent aq. KOH / 4 h 4: 7.5 percent / concd. hydrochloric acid / H2O; acetic acid / 2 h View Scheme

1: 87 percent / 20percent aq. KOH / 4 h 2: 7.5 percent / concd. hydrochloric acid / H2O; acetic acid / 2 h View Scheme

1: 85 percent / NaCN / H2O 2: 87 percent / 20percent aq. KOH / 4 h 3: 7.5 percent / concd. hydrochloric acid / H2O; acetic acid / 2 h View Scheme

1: 99 percent / NaBH4 / ethanol / 20 h / Ambient temperature 2: 99 percent / SOCl2 / benzene / 1.5 h 3: 85 percent / NaCN / H2O 4: 87 percent / 20percent aq. KOH / 4 h 5: 7.5 percent / concd. hydrochloric acid / H2O; acetic acid / 2 h View Scheme

3-chloro-benzenecarboperoxoic acid in chloroform 48 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;