Multistep reaction. Title compound not separated from byproducts;

1: i-BuSO2PT With 18-crown-6 ether; potassium hexamethylsilazane in toluene T=-78°C; Julia-Kocienski reaction; 0.0111111 h; Inert atmosphere; 2: 3-phenyl-propionaldehyde in toluene T=-78°C; Julia-Kocienski reaction; 0.5 h; Inert atmosphere; Mechanism; Reagent/catalystSolvent; diastereoselective reaction;

1: i-BuSO2PT With lithium hexamethyldisilazane in tetrahydrofuran T=-78°C; Julia-Kocienski reaction; Inert atmosphere; 2: 3-phenyl-propionaldehyde in tetrahydrofuran T=-78°C; Julia-Kocienski reaction; 0.5 h; Inert atmosphere; optical yield given as percent de;