1.1: K2CO3 2.1: H2 / Raney nickel / tetrahydrofuran 3.1: NaNO2; H(+) 3.2: 65 percent / H3PO2 4.1: 98 percent / NaOH; H2O View Scheme

1.1: K2CO3 2.1: H2 / Raney nickel / tetrahydrofuran 3.1: NaNO2; H(+) 3.2: 65 percent / H3PO2 4.1: 98 percent / NaOH; H2O 5.1: SOCl2 View Scheme

1.1: K2CO3 2.1: H2 / Raney nickel / tetrahydrofuran 3.1: NaNO2; H(+) 3.2: 65 percent / H3PO2 4.1: 98 percent / NaOH; H2O 5.1: SOCl2 View Scheme

1.1: K2CO3 2.1: H2 / Raney nickel / tetrahydrofuran 3.1: NaNO2; H(+) 3.2: 65 percent / H3PO2 View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '605283', constants.ctx, '0')">triethylamine</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1209237', constants.ctx, '0')">ethylene glycol dimethyl ether</a> <br />T=20&deg;C;&nbsp;2&nbsp;h;&nbsp;&nbsp;Inert atmosphere;&nbsp;<br /> <br /> &nbsp;