1: aqu. KOH / ethanol / 5 h / Heating 2: 1.) 30 min, 150 deg; 2.) in 15 min to 180 deg C View Scheme

1: alcoholic KOH 2: 180 °C 3: SOCl2 View Scheme

1: aqu. KOH / ethanol / 5 h / Heating 2: 1.) 30 min, 150 deg; 2.) in 15 min to 180 deg C 3: H2SO4 / 1 h / Heating 4: 1.) LiAlH4; 2.) HCl / 1.) diethyl ether, 8 h, reflux; 2.) 0 deg C, water 5: pyridine / 1 h / 0 °C 6: LiBr / acetone / 5 h / Heating View Scheme

1: aqu. KOH / ethanol / 5 h / Heating 2: 1.) 30 min, 150 deg; 2.) in 15 min to 180 deg C 3: H2SO4 / 1 h / Heating View Scheme