1: 80 percent / iPr2NEt, NaI / CH2Cl2 / 48 h 2: 80 percent / HgO, BF3*Et2O / tetrahydrofuran; H2O / 1 h / Ambient temperature View Scheme

1: 97 percent / iPr2NEt, NaI / CH2Cl2 / 48 h 2: 80 percent / HgO, BF3*Et2O / tetrahydrofuran; H2O / 1 h / Ambient temperature View Scheme

1: 100 percent / NaH / dimethylformamide / 0.17 h / Ambient temperature 2: 85 percent / I2, NaHCO3 / tetrahydrofuran; H2O / 2 h View Scheme

N-ethyl-N,N-diisopropylamine; sodium iodide in dichloromethane 48 h; Ambient temperature;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1209227', constants.ctx, '0')">n-butyllithium</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br />T=-78&deg;C;&nbsp;0.5&nbsp;h;&nbsp;<br /> &nbsp;