1: CsOH; BnQN+Cl- / toluene / 40 h / -55 °C / Inert atmosphere 2: sodium periodate; ruthenium trichloride; sodium hydrogencarbonate / tetrachloromethane; water; acetonitrile / 0.17 h / 0 °C / Inert atmosphere 3: diethyl ether; dichloromethane; benzene / 3 h / 0 - 20 °C / Inert atmosphere 4: sodium tetrahydroborate; nickel dichloride / methanol / 0.42 h / -5 °C / Inert atmosphere View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1209246', constants.ctx, '0')">formic acid</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1098229', constants.ctx, '0')">methanol</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '3587155', constants.ctx, '0')">water</a> <br />T=20&deg;C;&nbsp;24&nbsp;h;&nbsp;<br /> &nbsp;