1: pentylpentylketone With (S)-2-(diphenyl(trimethylsilyloxy)methyl)pyrrolidine in N,N-dimethyl-formamide T=20°C; 0.0833333 h; 2: β-nitroacrolein dimethyl acetal With water T=20°C; Michael condensation; 72 h; optical yield given as percent eeenantioselective reaction;

L-prolinol 72 h; optical yield given as percent ee;