diazomethane; carbon dioxide; Cs/Na/K alloy 1.) THF, -75 deg C, 2 min; 2.) THF, -75 deg C; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given;

diazomethane; carbon dioxide; Cs/Na/K alloy 1.) THF, -75 deg C, 2 min; 2.) THF, -75 deg C; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given;

carbon dioxide; lithium; ethylene dibromide 1.) THF, -69 deg C to -10 deg C, 30 min then 0 deg C, 1 h; 2.) THF; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given;

Yield given. Multistep reaction. Yields of byproduct given;