ammonium acetate; acetic acid T=60°C; 2 h;

1: 1,3-cylohexanedione With sodium ethanolate in ethanol 2: chloroacetone

potassium carbonate in chloroform T=25°C; 12 h;

sulfuric acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; triphenylphosphine; palladium dichloride 1.) THF, reflux, 18 h; 2.) dioxan, 60 deg C, 2 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;