Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '605283', constants.ctx, '0')">triethylamine</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '605365', constants.ctx, '0')">N,N-dimethyl-formamide</a> <br />T=130&deg;C;&nbsp;enolization; silylation;&nbsp;90&nbsp;h;&nbsp;&nbsp;Title compound not separated from byproducts.;&nbsp;<br /> &nbsp;