hydrogen; palladium on activated charcoal P=2585.7 Torr; 3 h;

1: Raney nickel; ethanol / Hydrogenation 2: concentrated aqueous HCl; KH2PO2 / 0 °C / Diazotization View Scheme

hydrogen bromide

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '11343346', constants.ctx, '0')">potassium phosphate</a>;&nbsp;(PdCl₂)(2-pyridyl)-6-isopropyl cis piperidine complex&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587155', constants.ctx, '0')">water</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '605365', constants.ctx, '0')">N,N-dimethyl-formamide</a> <br />T=110&deg;C;&nbsp;5&nbsp;h;&nbsp;<br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3595449', constants.ctx, '0')">potassium acetate</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '19252578', constants.ctx, '0')">18-crown-6 phase transfer</a> <br />T=25&deg;C;&nbsp;<br /> &nbsp;

<br /> <br /> &nbsp;

T=140&deg;C;&nbsp;Diels-Alder reaction;&nbsp;20&nbsp;h;&nbsp;<br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3595639', constants.ctx, '0')">sodium acetate</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '385737', constants.ctx, '0')">acetic anhydride</a> <br />T=20&deg;C;&nbsp;&nbsp;anschliessendes Erwaermen auf 80grad;&nbsp;<br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '5136723', constants.ctx, '0')">sodium sulfate</a> <br /> <br /> &nbsp;

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