1: With [Ru2(p-PriC6H4Me)2(μ-Cl)Cl]2; potassium tert-butylate; 2-amino-2-methyl-propan-1-ol in isopropyl alcohol T=50°C; 2 h; Molecular sieve; 2: With hydrogenchloride in methanol optical yield given as percent eediastereoselective reaction;

1: (R(S))-N-(1-phenylethylidene)-tert-butanesulfinamide With lithium diisopropyl amide in tetrahydrofuran; n-heptane; ethylbenzene T=-78°C; 2 h; Inert atmosphere; 2: trans-1,1, 1-TRIFLUORO-4-PHENYL-3-BUTEN-2-ONE in tetrahydrofuran; n-heptane; ethylbenzene T=-78°C; Inert atmosphere;