1: 10-P-5 With sodium hydride in tetrahydrofuran; mineral oil T=0°C; 1 h; Inert atmosphere; 2: acetophenone in tetrahydrofuran; mineral oil T=0°C; Horner-Wadsworth-Emmons olefination; 48 h; Inert atmosphere; optical yield given as percent destereoselective reaction;

1: 10-P-5 With n-butyllithium in tetrahydrofuran 2: benzaldehyde in tetrahydrofuran T=0°C; Horner-Wadsworth-Emmons olefination; 3 h; optical yield given as percent destereoselective reaction;

1: 10-P-5 With sodium hydride in tetrahydrofuran; mineral oil T=0°C; 1 h; Inert atmosphere; 2: 3-phenyl-propionaldehyde in tetrahydrofuran; mineral oil T=-78°C; Horner-Wadsworth-Emmons olefination; 12 h; Inert atmosphere; optical yield given as percent destereoselective reaction;