1: With toluene-4-sulfonic acid in toluene T=80°C; 2 h; 2: With sodium hydroxide in toluene T=25°C; pH=11;

&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '741857', constants.ctx, '0')">acetonitrile</a> <br />T=18 - 80&deg;C;&nbsp;<br /> <br /> &nbsp;