9-(2-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-acetyl-β-D-glucopyranosyloxy)-ethyl)-9H-carbazole-3,6-dicarbaldehyde 在
水 、
三乙胺 作用下,
以
甲醇 为溶剂,
反应 12.0h,
以76%的产率得到9-(2-(β-D-galactopyranosyl-(1->4)-β-D-glucopyranosyloxy)-ethyl)-9H-carbazole-3,6-dicarbaldehyde