hydrogenchloride in 2-methoxy-ethanol; water Reflux;

<b>Multi-step reaction with 4 steps<br /> </b>1.1: hydrogenchloride / diethyl ether<br />1.3: |Reflux<br />2.1: boron trifluoride diethyl etherate; methanesulfonyl chloride / N,N-dimethyl-formamide / 100 &deg;C<br />3.1: pyridine / 24 h / 20 &deg;C<br />4.1: potassium hydroxide / acetone / |Reflux<br /> <br /> &nbsp;

<b>Multi-step reaction with 4 steps<br /> </b>1.1: hydrogenchloride / diethyl ether<br />1.3: |Reflux<br />2.1: boron trifluoride diethyl etherate; methanesulfonyl chloride / N,N-dimethyl-formamide / 100 &deg;C<br />3.1: pyridine / 24 h / 20 &deg;C<br />4.1: potassium hydroxide / acetone / |Reflux<br /> <br /> &nbsp;