1: 54 percent / potassium hydride / tetrahydrofuran / 0.5 h / 0 °C 2: 80 percent / pyridine; chromium oxide / CH2Cl2 / 24 h / 20 °C 3: 100 percent / sodium / 2-methyl-propan-2-ol / 29 h / 30 °C 4: 100 percent / aqueous hydrochloric acid / tetrahydrofuran / 1 h / 20 °C 5: 96 percent / potassium hydride / tetrahydrofuran / 0.13 h / 20 °C 6: 61 percent / potassium carbonate; m-chloroperbenzoic acid / CH2Cl2 / 0.5 h / 0 °C 7: 59 percent / perchloric acid / tetrahydrofuran / 264 h / 20 °C 8: 100 percent / pyridine / 18 h / 0 °C View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3595639', constants.ctx, '0')">sodium acetate</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '7054643', constants.ctx, '0')">pyridinium chlorochromate</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br />T=20&deg;C;&nbsp;3&nbsp;h;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 93 percent / p-toluenesulfonic acid / 24 h / 50 &deg;C<br />2: 96 percent / lithium aluminumhydride / diethyl ether / 2.5 h / 20 &deg;C<br />3: 89 percent / pyridinium chlorochromate; sodium acetate / CH₂Cl₂ / 3 h / 20 &deg;C<br /> <br /> &nbsp;