Fremy’s salt; sodium carbonate; tetra(n-butyl)ammonium hydrogensulfate in water; benzene 0.5 h; Ambient temperature; Yield given;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '11343078', constants.ctx, '0')">sodium tetrahydroborate</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '385653', constants.ctx, '0')">chloroformic acid ethyl ester</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '605283', constants.ctx, '0')">triethylamine</a> <br />&nbsp;Multistep reaction;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: K₂CO₃ / acetone / 5 h / Heating<br />2: methanol / Irradiation<br />3: 1.) ClCOOEt, NEt₃, 2.) NaBH₄ <br /> <br /> &nbsp;