in diethyl ether T=-50 - -40°C; 5 h;

1: 97 percent / sodium iodide / acetone / 50 h / Heating 2: 1.) lithium, 2.) lithium furan-3-carboxylate / 1.) ether, 6 h, -60 deg C to -20 deg C, 2.) ether, 18 h, RT View Scheme

lithium; lithium furan-3-carboxylate 1.) ether, 4 h, -60 deg C to -20 deg C, 2.) ether, 18 h, RT; Yield given. Multistep reaction. Yields of byproduct given;