hydrogen; palladium on activated charcoal in ethanol P=2585.7 Torr; Ambient temperature;

1: 83 percent / H2 / 5percent Pd/C / ethanol / 2585.7 Torr / Ambient temperature 2: 1.) aq. NaNO2, AcOH, concd HCl, 2.) SO2, CuCl2*2H2O, AcOH / 1.) 10-15 deg C, 2.) RT, 1.5 h 3: 46 percent / pyridine, H2O / CH2Cl2 / Heating View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3556712', constants.ctx, '0')">potassium <i>tert</i>-butylate</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '506008', constants.ctx, '0')">dimethyl sulfoxide</a> <br /> <br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '4122952', constants.ctx, '0')">sodium hydride</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '506008', constants.ctx, '0')">dimethyl sulfoxide</a> <br />T=120&deg;C;&nbsp;<br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1718733', constants.ctx, '0')">ethanol</a> <br /> <br /> &nbsp;