(S,Z)-2-(3-isopropyl-1-oxo-2,3-dihydro-1H-isoquinolin-4-ylidene)acetic acid 、 (S)-2-((R)-2-Amino-4-methyl-pentanoylamino)-4-methyl-pentanoic acid methyl ester; compound with trifluoro-acetic acid 在
N-甲基吗啉 、
氯甲酸异丁酯 作用下,
以
氯仿 为溶剂,
反应 22.0h,
以75%的产率得到(S,Z)-2-(3-isopropyl-1-oxo-2,3-dihydro-1H-isoquinolin-4-ylidene)acetyl-D-Leu-L-Leu-OMe