poly(vinylpyridinium chlorochromate); hydrogen; (...CH2PPh2)3RhCl in xylene T=100°C; 18 h;

1: Oppenauer oxidation 2: m-chloroperbenzoic acid 3: 50 percent / Co2(CO)8 / methanol / 24 h / 40 °C View Scheme

dipyridinium dichromate in dichloromethane T=20°C; 3 h;

sodium tungstate; dihydrogen peroxide in water T=90°C; 3 h;

<b>Multi-step reaction with 2 steps<br /> </b>1: 89 percent / pyridinium chlorochromate / CH₂Cl₂ / 5 h / 20 &deg;C<br />2: 62 percent / tetrahydrofuran; diethyl ether / 2 h / 0 - 20 &deg;C<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 96 percent / LiAlH₄ / diethyl ether / 3 h / Heating<br />2: 73 percent / PCC / CH₂Cl₂ / 3 h / 0 &deg;C<br />3: 90 percent / diethyl ether / 3 h / 0 &deg;C<br /> <br /> &nbsp;