4-(N,N-dimethlyamino)pyridine; ammonium hydroxide; hydrogen; acetic anhydride; 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,1'-carbonyldiimidazole; palladium on activated charcoal 1.) CH2Cl2, 1 h, 2.) CH2Cl2, 20 deg C, 5 d, 3.) methanol, 3 h, 4.) methanol, 40 psi, 2 h; Multistep reaction;

in ethyl acetate

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102395', constants.ctx, '0')">pyrrolidine</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1098229', constants.ctx, '0')">methanol</a> <br />24&nbsp;h;&nbsp;&nbsp;Ambient temperature;&nbsp;<br /> &nbsp;