hydrogenchloride in water 8 h; Heating;

<b>Multi-step reaction with 4 steps<br /> </b>1: COCl₂, DMF / CH₂Cl₂ / Ambient temperature<br />2: CH₂Cl₂ / Ambient temperature<br />3: SOCl₂ / CHCl₃ / Ambient temperature<br />4: 1) lithium diisopropylamide / 1) THF, -78 deg C, 2) up to room temp.<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: CH₂Cl₂ / Ambient temperature<br />2: SOCl₂ / CHCl₃ / Ambient temperature<br />3: 1) lithium diisopropylamide / 1) THF, -78 deg C, 2) up to room temp.<br /> <br /> &nbsp;