2-[(1,3-dimethyl-2,4,6(1H,3H,5H)-trioxopyrimidin-5-ylidene)methylamino]-ethyl 2-amino-4-O-benzyl-6-O-(4-chlorobenzyl)-2-deoxy-3-O-pentamethylbenzyl-α,β-D-glucopyranoside 、
1,3-二甲基-5-[(二甲基氨基)亚甲基]2,4,6-(1H,3H,5H)-三氧代嘧啶 在
三乙胺 作用下,
以
甲醇 、
氯仿 为溶剂,
反应 3.0h,
以75%的产率得到2-[(1,3-dimethyl-2,4,6(1H,3H,5H)-trioxopyrimidin-5-ylidene)methylamino]-ethyl 2-[(1,3-dimethyl-2,4,6(1H,3H,5H)-trioxopyrimidin-5-ylidene)methylamino]-4-O-benzyl-6-O-(4-chlorobenzyl)-2-deoxy-3-O-pentamethylbenzyl-α,β-D-glucopyranoside