(2R,3R)-N-[2-(cyclohepta-2,4,6-trien-1-yl)ethyl]-3-methoxy-2-methyl-3-[(2S)-pyrrolidin-2-yl]propanamide, hydrochloride salt 、
pentafluorophenyl (3R,4S,5S)-4-[{N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-valyl}(methyl)amino]-3-methoxy-5-methylheptanoate 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 18.0h,
以68%的产率得到N-[(3R,4S,5S)-1-{(2S)-2-[(1R,2R)-3-{[2-(cyclohepta-2,4,6-trien-1-yl)ethyl]amino}-1-methoxy-2-methyl-3-oxopropyl]pyrrolidin-1-yl}-3-methoxy-5-methyl-1-oxoheptan-4-yl]-N-2-[(9H-fluoren-9-ylmethoxy)carbonyl]-N-methyl-L-valinamide