1: 90 percent / sodium hydride / tetrahydrofuran 2: 92 percent / hydrolysis View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '103233', constants.ctx, '0')">pyridine</a> <br />T=0&deg;C;&nbsp;1&nbsp;h;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 99 percent / N-bromosuccinimide/water / 1,2-dimethoxy-ethane / 1.) 0 deg C, 30 min, 2.) 20 deg C, 60 min<br />2: 70 percent / pyridine / 1 h / 0 &deg;C<br /> <br /> &nbsp;