ethyl 2-(4',6'-di-O-benzyl-2',3'-dideoxy-α-D-erythro-hex-2'-enopyranosyl)-2(R,S)-nitroacetate 在
palladium on activated charcoal
氢气 作用下,
以
乙醇 为溶剂,
反应 24.0h,
以30%的产率得到ethyl 2(R,S)-amino-2-(4,6-di-O-benzyl-2,3-dideoxy-α-D-erythro-hexopyranosyl)-2(R,S)-nitroacetate