1: toluene; diethyl ether 2: H2, p-TsOH / 10percent Pd/C / methanol / Ambient temperature View Scheme

bis(acetylacetonato) palladium; hydrogen; triphenylphosphine; palladium on activated charcoal 1.) dioxane, reflux, 72 h, 2.) ethyl acetate, 1 atm; Multistep reaction. Title compound not separated from byproducts;

1: KOtBu 2: H2 / PtO2 View Scheme

T=2 - 4°C;

T=25°C;