1: 86 percent / NaI / acetone / 7 h / Heating 2: 89 percent / SmI2 / tetrahydrofuran / 8 h / 40 °C View Scheme

<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, '610662', constants.ctx, '0')">dicyclohexyl-carbodiimide</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br />T=0&deg;C;&nbsp;16&nbsp;h;&nbsp;<br /> &nbsp;