tert-butyl 2-((4R,9S,14aS,E)-4-methyl-3,10-dioxo-3,4,5,8,9,10,12,13,14,14a-decahydro-1H-pyrrolo[2,1-c][1,4]oxaazacyclododecin-9-yl)acetate 、
三氟乙酸 、 2-((4R,9S,14aS,E)-4-methyl-3,10-dioxo-3,4,5,8,9,10,12,13,14,14a-decahydro-1H-pyrrolo[2,1-c][1,4]oxaazacyclododecin-9-yl)acetic acid 、
对氯苄胺 在
ice water 作用下,
以
二氯甲烷 、
methanol-dichloromethane 为溶剂,
反应 3.0h,
以The product (16 mg) was obtained as a white solid in 44% yield after column chromatography (MeOH/DCM gradient)的产率得到