1: KOH / pyridine / 40 °C 2: sulfuric acid / acetic acid / Heating View Scheme

potassium tert-butylate in tetrahydrofuran T=20°C; 16 h;

<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, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br />T=20&deg;C;&nbsp;2&nbsp;h;&nbsp;<br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '103233', constants.ctx, '0')">pyridine</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '956581', constants.ctx, '0')">trichlorophosphate</a> <br />T=0&deg;C;&nbsp;&nbsp;Sonication;&nbsp;<br /> &nbsp;