酮基丙二酸二乙酯 、
benzyl 2-acetamido-2,3-dideoxy-4,6-O-isopropylidene-3-C-(penta-2',4'-dienyl)-α-D-glucopyranoside 以
甲苯 为溶剂,
反应 43.0h,
以38%的产率得到benzyl 2-acetamido-2,3-dideoxy-3-C-[(ethyl (1'R)-2',3',4'-trideoxy-5'-C-ethoxycarbonyl-hex-2'-enopyranosyluronate)methyl]-4,6-O-isopropylidene-α-D-glucopyranoside