1: 95 percent / H2 / Pd(OH)2/C / ethyl acetate / 2 h / 25 °C 2: 63 percent / silver triflate, 4A molecular sieves / CH2Cl2; toluene / 4 h / 25 °C 3: 100 percent / m-chloroperoxybenzoic acid / CH2Cl2 / 0.25 h / 25 °C 4: 90 percent / 4A molecular sieves, N-iodosuccinimide, TfOH / CH2Cl2 / 0.17 h / -35 °C 5: 66 percent / 50percent aq. AcOH / 12 h / 40 °C 6: 54 percent / H2 / Raney Ni (W4) / ethanol / 1.5 h / 40 °C 7: 99 percent / m-chloroperoxybenzoic acid / CH2Cl2 / 0.17 h / 25 °C 8: 58 percent / bis(tri-n-butyltin) oxide, Br2 / CH2Cl2 / 24 h / 25 °C 9: 84 percent / H2 / Rany Ni (W4) / ethanol / 1 h / 25 °C View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3764305', constants.ctx, '0')">pyridinium p-toluenesulfonate</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br />T=25&deg;C;&nbsp;1.5&nbsp;h;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 87 percent / DL-10-camphorsulfonic acid / CH₂Cl₂ / 72 h / -30 &deg;C<br />2: 100 percent / pyridinium p-toluenesulfonate / CH₂Cl₂ / 1.5 h / 25 &deg;C<br /> <br /> &nbsp;