lithium aluminium tetrahydride in diethyl ether

<b>Multi-step reaction with 4 steps<br /> </b>1: 84 percent / Li₂CuCl₄ / tetrahydrofuran; diethyl ether / 3 h / 0 &deg;C<br />2: 1.) 0.75M 9-borabicyclo&lt;3.3.1&gt;nonane; 2.) 3N NaOH, 26percent H₂O₂ / 1.) THF, 0 deg C, 2-3 h; 2.) 20 deg C, 2-3 h<br />3: PBr₃ / 1.) pyridine, hexane, 3-5 deg C, 3h; 2.) 20 deg C, 12 h<br />4: 1.) Mg / 1.) ether; 2.) ether; HCl<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 98 percent / H+ / methanol<br />2: 97 percent / LiAlH₄ / bis-(2-methoxy-ethyl) ether / 200 &deg;C<br />3: 87 percent / Jones' reagent / acetone<br /> <br /> &nbsp;

<b>Multi-step reaction with 4 steps<br /> </b>2: 98 percent / H+ / methanol<br />3: 97 percent / LiAlH₄ / bis-(2-methoxy-ethyl) ether / 200 &deg;C<br />4: 87 percent / Jones' reagent / acetone<br /> <br /> &nbsp;

<b>Multi-step reaction with 5 steps<br /> </b>3: 98 percent / H+ / methanol<br />4: 97 percent / LiAlH₄ / bis-(2-methoxy-ethyl) ether / 200 &deg;C<br />5: 87 percent / Jones' reagent / acetone<br /> <br /> &nbsp;