1: 50 percent / KOH / ethanol / 16 h / Heating 2: 1) ClCO2Et, 2) NaN3 / 1) water, acetone, 0 deg C, 2) H2O 3: toluene / Heating 4: 20percent HCl / Heating 5: 92 percent / NaBH3CN, glacial HOAc / acetonitrile / Ambient temperature 6: 9,10-Dihydroanthracen / 1,3,5-trimethyl-benzene / 210.5 °C / ΔG(excit.), ΔH(excit.), ΔS(excit.) View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '16891605', constants.ctx, '0')">Fe(HSO₄)3</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '605264', constants.ctx, '0')">1,2-dichloro-ethane</a> <br />T=86&deg;C;&nbsp;4&nbsp;h;&nbsp;<br /> <br /> &nbsp;