tert-butyl (2S,3S)-3-[[(3aR,4S,6R,6aR)-2,2-diethyl-6-[[(2-methylpropan-2-yl)oxycarbonylamino]methyl]-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl]oxy]-3-[(3aR,4R,6R,6aR)-4-(2,4-dioxopyrimidin-1-yl)-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]-2-aminopropanoate 、
3-(2,2,2-trichloroethoxycarbonylamino)propionaldehyde 在
三乙酰氧基硼氢化钠 、
溶剂黄146 作用下,
以
二氯甲烷 为溶剂,
反应 0.5h,
以119 mg的产率得到tert-butyl 5-O-[5-tert-butoxycarbonylamino-5-deoxy-2,3-O-(3-pentylidene)-β-D-ribo-pentofuranosyl]-6-N-[3-(2,2,2-trichloroethoxycarbonylamino)propyl]amino-6-deoxy-2,3-O-isopropylidene-1-(uracil-1-yl)-β-D-glycelo-L-talo-heptofuranuronate