[EN] METHOD FOR PREPARING 2-AMINO-N-(2,2,2-TRIFLUOROETHYL) ACETAMIDE<br/>[FR] PROCÉDÉ DE PRÉPARATION DE 2-AMINO-N-(2,2,2-TRIFLUOROÉTHYL)ACÉTAMIDE
申请人:DU PONT
公开号:WO2012047543A1
公开(公告)日:2012-04-12
Disclosed are methods for preparing compounds of Formula 1 and 1A. The first method utilizes a benzyl carbamate amine protecting group and an intermediate of Formula 4. The second method utilizes a tert-butyl carbamate amine protecting group and an intermediate of Formula 7. The third method utilizes a dibenzyl amine protecting group. Also disclosed is a compound, phenylmethyl N-[2-oxo-2-[(2,2,2- trifluoroethyl)amino]ethyl]carbamate (a compound of Formula 4). Further disclosed is a method for preparing a compound of Formula 14 from a compound of Formula 15 and a compound of Formula 1 or 1A.
揭示了制备化合物1和1A的方法。第一种方法利用苄基氨基甲酸酯保护基和Formula 4的中间体。第二种方法利用叔丁基氨基甲酸酯保护基和Formula 7的中间体。第三种方法利用二苄胺保护基。还揭示了一种化合物,苯甲基N-[2-氧代-2-[(2,2,2-三氟乙基)氨基]乙基]氨基甲酸酯(Formula 4的化合物)。此外还揭示了一种从Formula 15的化合物和Formula 1或1A的化合物制备Formula 14的方法。