反应条件
1: pivaloyl chloride; 5-(4-fluorophenyl)-5-oxopentanoic acid With 4-(N,N-dimethlyamino)pyridine in N,N-dimethyl-formamide T=2 - 20°C; 1.5 h; 2: (S)-5-phenyl-1,3-oxazolidine-2-one With 4-(N,N-dimethlyamino)pyridine in N,N-dimethyl-formamide T=30 - 35°C; 2 h;
