methyl (benzyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-α-D-glycero-D-galacto-2-nonulopyranosid)onate 在
sodium acetate 、 dinitrogen tetraoxide 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以95%的产率得到methyl (benzyl 4,7,8,9-tetra-O-acetyl-3,5-dideoxy-5-(N-nitrosoacetamido)-D-glycero-α-D-galacto-non-2-ulopyranosid)onate