N-[4-(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyloxy)phenyl]acetyl-S-[4-(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)benzyl]-L-cysteine [2-(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyloxy)ethyl]amide 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以98%的产率得到N-[4-(α-D-mannopyranosyloxy)phenyl]acetyl-S-[4-(α-D-mannopyranosyl)benzyl]-L-cysteine [2-(α-D-mannopyranosyloxy)ethyl]amide