(2S,3R)-3-[(3aR,4R,6R,6aR)-4-[3-[(4-methoxyphenyl)methyl]-2,4-dioxopyrimidin-1-yl]-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]-2-(3-aminopropylamino)-3-hydroxy-N,N-dimethylpropanamide 、
N-苄氧羰基-L-亮氨酸 在
1-羟基苯并三唑 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以36 mg的产率得到benzyl N-[(2S)-1-[3-[[(1R,2S)-1-[(3aR,4R,6R,6aR)-4-[3-[(4-methoxyphenyl)methyl]-2,4-dioxopyrimidin-1-yl]-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]-3-(dimethylamino)-1-hydroxy-3-oxopropan-2-yl]amino]propylamino]-4-methyl-1-oxopentan-2-yl]carbamate