pyridine; water; azabisisobutyronitrile und Hydrieren des Reaktionsprodukts an Palladium und Palladium/Kohle in wss.Aethanol unter Zusatz von wenig Essigsaeure;

&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587155', constants.ctx, '0')">water</a> <br />2&nbsp;h;&nbsp;&nbsp;Heating;&nbsp;<br /> &nbsp;

Stage #1: <b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '5196532', constants.ctx, '0')">TBAH₂PO₄</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '605572', constants.ctx, '0')">trichloroacetonitrile</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '741857', constants.ctx, '0')">acetonitrile</a> <br />T=20&deg;C;&nbsp;2&nbsp;h;&nbsp;<br />Stage #2: <b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '11342939', constants.ctx, '0')">ammonium hydroxide</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587155', constants.ctx, '0')">water</a> <br />pH=8;&nbsp;<br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1718733', constants.ctx, '0')">ethanol</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '4937491', constants.ctx, '0')">palladium</a> <br />&nbsp;Hydrogenation;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 1H-tetrazole / CH₂Cl₂; acetonitrile / 2.5 h / 20 &deg;C<br />2: 1.14 g / t-BuOOH / CH₂Cl₂; acetonitrile; various solvent(s) / 20 &deg;C<br />3: dimedone; Pd(PPh₃)4 / tetrahydrofuran / 1.5 h / 20 &deg;C<br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1921286', constants.ctx, '0')">phosphoric acid</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '8129999', constants.ctx, '0')">silver(l) oxide</a> <br />&nbsp;anfangs unter Kuehlung, zuletzt unter Erwaermen;&nbsp;<br /> &nbsp;