1: 47 percent / p-TsOH*H2O / toluene / 4 h / Heating 2: 47percent aq.HBr / 3 h / Heating View Scheme

<b>Multi-step reaction with 2 steps<br /> </b>1: 52.7 percent / H₂ / 10percent Pd/C / ethanol; dioxane / 3 h<br />2: 100 percent / H₂O / 1 h / Ambient temperature<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 100 percent / NaN₃ / dimethylformamide / 3 h / 60 &deg;C<br />2: 52.7 percent / H₂ / 10percent Pd/C / ethanol; dioxane / 3 h<br />3: 100 percent / H₂O / 1 h / Ambient temperature<br /> <br /> &nbsp;

&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587155', constants.ctx, '0')">water</a> <br />1&nbsp;h;&nbsp;&nbsp;Ambient temperature;&nbsp;<br /> &nbsp;