thionyl chloride; N,N-dimethyl-formamide in dichloromethane 4 h; Reflux;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '8128150', constants.ctx, '0')">sodium hydroxide</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '605365', constants.ctx, '0')">N,N-dimethyl-formamide</a> <br />T=75&deg;C;&nbsp;20&nbsp;h;&nbsp;<br /> <br /> &nbsp;