1: NaBH4 / methanol / 0.08 h / Ambient temperature 2: pyridine, DMAP / CH2Cl2 / 0.5 h / Ambient temperature View Scheme

sodium tetrahydroborate in methanol 0.0833333 h; Ambient temperature; Yield given;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '5891744', constants.ctx, '0')">methylaluminium bis(2,6-diphenylphenoxide)</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '635760', constants.ctx, '0')">toluene</a> <br />T=-78&deg;C;&nbsp;0.25&nbsp;h;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 6 steps<br /> </b>1: 1.) BuLi / 1.) THF, hexane, 0 deg C, 1 h, 2.) THF, hexane, HMPA, 0 deg C, 30 min, room temp., overnight<br />2: 77 percent / nickel(II) acetate, NaBH₄, H₂, ethylenediamine / ethanol<br />3: oxalic acid dihydrate, water / acetone / 1 h / Heating<br />4: diethyl ether / 0.25 h / 0 &deg;C<br />5: 63 percent / mercury(II) acetate / 5.5 h / Ambient temperature<br />6: methylaluminum bis(2,6-diphenylphenoxide) (reagent B) / toluene / 0.5 h / -20 &deg;C<br /> <br /> &nbsp;