hydrogen; palladium on activated charcoal in dichloromethane T=20°C; 19 h; atmospheric pressure;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '103853', constants.ctx, '0')">1H-imidazole</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;12&nbsp;h;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 52 percent / imidazole / dimethylformamide / 20 h / Ambient temperature<br />2: 91 percent / PPh₃, CBr₄ / acetonitrile / 1.) 0 deg C, 2 h, 2.) 3 h<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 52 percent / imidazole / dimethylformamide / 20 h / Ambient temperature<br />2: 91 percent / PPh₃, CBr₄ / acetonitrile / 1.) 0 deg C, 2 h, 2.) 3 h<br /> <br /> &nbsp;