1: 1.) 6N HCl, sodium nitrite / 1.) -10 deg C; 2.) dioxane, water, 80 deg C, 10 min 2: 85 percent / MnO2 / CH2Cl2 / Ambient temperature; 2-3 h 3: 1.) NaBH4; 2.) MnO2 / 1.) PdCl2(PPh)2 / 1.) methanol, 15 min; 2.) DCM, 30 min View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '14252802', constants.ctx, '0')">ammonium cerium(IV) nitrate</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587155', constants.ctx, '0')">water</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '741857', constants.ctx, '0')">acetonitrile</a> <br />&nbsp;3-4 h;&nbsp;<br /> &nbsp;