perchloric acid in methanol T=50°C; effect of acid concentration; Rate constant;

N-bromosuccinmide in dichloromethane 0.5 h; Ambient temperature;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '113916', constants.ctx, '0')">N-bromosuccinmide</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;<br /> &nbsp;