2-(N-benzyloxycarbonyl)-aminoethyl-7-O-acetyl-6-O-allyl-2-O-benzoyl-4-O-benzyl-3-O-chloroacetyl-L-glycero-α-D-manno-heptopyranosyl-(1->3)-[2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl-(1->4)]-6,7-di-O-acetyl-2-O-benzyl-L-glycero-α-D-manno-heptopyranoside 在
氨 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 1.5h,
以90%的产率得到2-(N-benzyloxycarbonyl)-aminoethyl-7-O-acetyl-6-O-allyl-2-O-benzoyl-4-O-benzyl-L-glycero-α-D-manno-heptopyranosyl-(1->3)-[2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl-(1->4)]-6,7-di-O-acetyl-2-O-benzyl-L-glycero-α-D-manno-heptopyranoside