magnesium; bis(acetylacetonate)nickel(II) 1.) ether ; 2.) ether, benzene, 1 h, then reflux, 3 h; Yield given. Multistep reaction. Yields of byproduct given;

magnesium; bis(acetylacetonate)nickel(II) 1.) ether ; 2.) ether, benzene, 1 h then reflux, 3 h; Yield given. Multistep reaction. Yields of byproduct given;