N-Benzyloxycarbonyl-N-methyl-L-Val-D-α-hydroxy-isovaleryl-N-methyl-L-Val-D-α-hydroxy-isovaleryl-N-methyl-L-Val-D-α-hydroxy-isovaleriansaeure-tert.-butylester 在
氢溴酸 作用下,
以
溶剂黄146 为溶剂,
生成 (S)-3-Methyl-2-{methyl-[(R)-3-methyl-2-((S)-3-methyl-2-methylamino-butyryloxy)-butyryl]-amino}-butyric acid (R)-1-{[(S)-1-((R)-1-carboxy-2-methyl-propoxycarbonyl)-2-methyl-propyl]-methyl-carbamoyl}-2-methyl-propyl ester