2-[2-(methoxycarbonyl)ethylthio]ethyl 2,3-di-O-acetyl-4-(2,4-di-O-acetyl-3-deoxy-L-glycero-tetronamido)-4,6-dideoxy-α-D-mannopyranosyl-(1-> 2)-[3-O-acetyl-4-(2,4-di-O-acetyl-3-deoxy-L-glycero-tetronamido)-4,6-dideoxy-α-D-mannopyranosyl-(1-> 2)]&4... 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以98%的产率得到2-[2-(methoxycarbonyl)ethylthio]ethyl 4-(3-deoxy-L-glycero-tetronamido)-4,6-dideoxy-α-D-mannopyranosyl-(1-> 2)-[4-(3-deoxy-L-glycero-tetronamido)-4,6-dideoxy-α-D-mannopyranosyl-(1-> 2)]
4-4-(3-deoxy-L-glycero-tetronamido)-4,6-dideoxy-α-D-mannop...