1: methyl phenylglycinate hydrochloride With triethylamine in tetrahydrofuran T=20°C; 2: (1S,1'S)-1,1'-(1-acetyl-1H-1,2,4-triazole-3,5-diyl)-bis(ethane-1,1-diyl) diacetate in tetrahydrofuran T=25°C; enantioselective reaction;