1: 68 percent / dicyclohexylcarbodiimide (DCCI), hydroxybenzotriazole (HOBt), NEt3 / CH2Cl2 / 1 h / 25 °C 2: mercaptoethanol / dimethylformamide / 0.5 h / 25 °C View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1098214', constants.ctx, '0')">hydrogenchloride</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '506104', constants.ctx, '0')">ethyl acetate</a> <br />T=-25&deg;C;&nbsp;0.0833333&nbsp;h;&nbsp;<br /> &nbsp;