sulfuric acid T=0°C; 3 h;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '4515', constants.ctx, '0')">1- hydroxybenzotriazole</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '610662', constants.ctx, '0')">dicyclohexyl-carbodiimide</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br />T=0&deg;C;&nbsp;5&nbsp;h;&nbsp;&nbsp;Heating / reflux;&nbsp;<br /> <br /> &nbsp;