(S,S)-(chiraphos)NiCl2 in tetrahydrofuran T=20°C; 35 h;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '4267587', constants.ctx, '0')">potassium carbonate</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '635680', constants.ctx, '0')">acetone</a> <br />T=50&deg;C;&nbsp;Claisen Rearrangement;&nbsp;&nbsp;Inert atmosphere;&nbsp;&nbsp;Overall yield = 97 percent; Overall yield = 2.88 g;&nbsp;<br /> &nbsp;