S-cyanomethyl 2-N-acetimido-6-O-acetyl-3-O-[2-O-levulinoyl-3,4,6-tri-O-acetyl-β-D-galactopyranosyl]-2-deoxy-1-thio-β-D-glucopyranoside 在
hydrazine acetate 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以70%的产率得到S-cyanomethyl 2-N-acetimido-6-O-acetyl-3-O-[3,4,6-tri-O-acetyl-β-D-galactopyranose]-2-deoxy-1-thio-β-D-glucopyranoside