(-)-pentafluorophenyl(Z,S,S)-2-(6-oxo-1,3,4,6,11,11a-hexahydro-2H-pyrido[1,2-b]isoquinolin-11-yliden)acetate 、 (S)-2-{(R)-2-[(S)-2-((R)-2-Amino-2-phenyl-acetylamino)-3-phenyl-propionylamino]-2-phenyl-acetylamino}-3-phenyl-propionic acid methyl ester; compound with trifluoro-acetic acid 在
N-甲基吗啉 、
4-二甲氨基吡啶 作用下,
以
氯仿 为溶剂,
反应 18.0h,
以85%的产率得到[(S)-2-(6-oxo-1,3,4,11a-tetrahydro-2H,6H-pyrido[1,2-b]isoquinolin-(11Z)-ylidene)]acetyl-D-Phg-L-Phe-D-Phg-L-Phe-OMe