potassium hydroxide T=250 - 300°C; 7 h;

&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1815558', constants.ctx, '0')">o-xylene</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '605365', constants.ctx, '0')">N,N-dimethyl-formamide</a> <br />7&nbsp;h;&nbsp;<br /> &nbsp;

&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1815558', constants.ctx, '0')">o-xylene</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '605365', constants.ctx, '0')">N,N-dimethyl-formamide</a> <br />8&nbsp;h;&nbsp;&nbsp;Heating;&nbsp;<br /> &nbsp;