1: 84 percent / diethylamine, CuI, bis<triphenylphosphine>palladium(II) acetate / dimethylformamide / 1.5 h / Ambient temperature 2: 70 percent / tetrabutylammonium fluoride / tetrahydrofuran / 21 h / Ambient temperature 3: 90 percent / H2, quinoline / Lindlar catalyst / methanol; hexane / 0.33 h 4: acetone-d6 / 80.3 °C / var. temp.; kinetics, E(a), ΔG(excit.), ΔH(excit.), ΔS(excit.) View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '11342940', constants.ctx, '0')">sodium hydroxide</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '11343078', constants.ctx, '0')">sodium tetrahydroborate</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '3563831', constants.ctx, '0')">mercury(II) diacetate</a> <br />&nbsp;1.) THF, H₂O, RT, 1 h, 2.) THF, H₂O, RT, 30 min;&nbsp;&nbsp;Yield given. Multistep reaction;&nbsp;<br /> &nbsp;