反应条件
1: benzyl (S)-(-)-1,2,3,4-tetrahydro-3-isoquinoline carboxylate p-toluenesulfonic acid salt With triethylamine in dichloromethane T=0 - 5°C; 0.166667 h; 2: N-[(S)-1-carbethoxy-3-phenyl-propyl]-S-alanine hydrochloride in dichloromethane T=-20 - 25°C; 1 h;