triethylamine in acetonitrile T=20°C; 5 h; Reflux;

in methanol 5 h; Heating; Yield given;

2 h; Heating / reflux;

1: methanol / 5 h / Heating 2: H2, AcOH / (S,S)-tartaric acid-NaBr-Raney nickel / various solvent(s) / 100 °C / 76000 Torr View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '103233', constants.ctx, '0')">pyridine</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br />1&nbsp;h;&nbsp;&nbsp;Ambient temperature;&nbsp;<br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '110354', constants.ctx, '0')">dmap</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '610662', constants.ctx, '0')">dicyclohexyl-carbodiimide</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br />T=20&deg;C;&nbsp;24&nbsp;h;&nbsp;&nbsp;Inert atmosphere;&nbsp;<br /> &nbsp;