potassium hydroxide 1.) ether, -78 deg C, 3 h then r.t., 1 h, 2.) methanol, r.t., 2 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

potassium hydroxide 1.) ether, -78 deg C, 3 h then r.t., 1 h, 2.) methanol, r.t., 2 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;