sodium tetrahydroborate; trifluoroacetic acid in dichloromethane T=25°C; 18 h;

triethylsilane; trifluoroacetic acid in tetrachloromethane T=55°C; 6 h;

triethylsilane; trifluorormethanesulfonic acid in dichloromethane T=25°C; 1.5 h;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1209238', constants.ctx, '0')">aluminium trichloride</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1698205', constants.ctx, '0')">nitromethane</a> <br />T=20&deg;C;&nbsp;Friedel-Crafts acylation;&nbsp;1&nbsp;h;&nbsp;<br /> &nbsp;