copper(l) iodide; silver perchlorate; calcium carbonate 1.) THF, 0 deg C, 3 h, 2.) nitromethane, ether, 0 deg C, 1 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

copper(l) iodide; silver perchlorate; calcium carbonate 1.) THF, 0 deg C, 3 h, 2.) THF, ether, 0 deg C, 1 h; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given;