乙酸酐 、 Trifluoro-acetate1-{(S)-2-[(S)-2-((S)-2-amino-4-methyl-pentanoylamino)-2-methyl-butyrylamino]-4-methyl-pentyl}-2,3,4,6,7,8-hexahydro-pyrrolo[1,2-a]pyrimidin-1-ium; 以
甲醇 为溶剂,
生成
1-{(S)-2-[(S)-2-((S)-2-Acetylamino-4-methyl-pentanoylamino)-2-methyl-butyrylamino]-4-methyl-pentyl}-2,3,4,6,7,8-hexahydro-pyrrolo[1,2-a]pyrimidin-1-ium