sodium tetrahydroborate; trichlorophosphate 1.) toluene, reflux, 1 h; 2.) MeOH, room temp.; Yield given. Multistep reaction;

<b>Multi-step reaction with 2 steps<br /> </b>1: 74 percent / H₂ / PtO₂ / acetic acid / Ambient temperature<br />2: 2 h / 180 &deg;C<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 40 percent / LiAlH₄ / diethyl ether / 3 h / Heating<br />2: 2 h / 180 &deg;C<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 18 percent / 7.5 N aq.HCl / ethanol / 0.17 h / Heating<br />2: 40 percent / LiAlH₄ / diethyl ether / 3 h / Heating<br />3: 2 h / 180 &deg;C<br /> <br /> &nbsp;

<b>Multi-step reaction with 4 steps<br /> </b>1: 50 percent / LiAlH₄ / diethyl ether / Heating<br />2: 18 percent / 7.5 N aq.HCl / ethanol / 0.17 h / Heating<br />3: 40 percent / LiAlH₄ / diethyl ether / 3 h / Heating<br />4: 2 h / 180 &deg;C<br /> <br /> &nbsp;

T=180&deg;C;&nbsp;2&nbsp;h;&nbsp;<br /> &nbsp;