1·Trifluoroacetic acid pyridine salt;
三氟乙酸吡啶鎓；
2·NH2 column was used with the mobile phase of 0.1% trifluoroacetic acid-acetonitrile by gradient elution.
采用氨基色谱柱，流动相为0.1%三氟乙酸-乙腈(梯度洗脱)。
3·Preparation of TFAE through reactive distillation process had been researched, with trifluoroacetic acid and ethanol as raw materials, concentrated sulfuric acid as the catalyst.
以三氟乙酸、乙醇为原料，以浓硫酸为催化剂，对反应精馏法制备三氟乙酸乙酯的过程进行了实验研究。
4·If the tertiary butyloxycarbonyl group is being used as amino-protecting group, its removal is effected with acid, such as HCl and isopropanol as a solvent or with trifluoroacetic acid neat.
如果用三叔丁基羟基作为氨基保护基团使用，应用酸来将其脱去，如以盐酸和异丙醇为溶剂或无水三氟乙酸。