3,4,6-三邻苄基半乳醛 、
4-hydroxybutyl-bicyclo[2.2.1]hept-5-ene-2-carboxylate 在
2,4,6-tri-tertiary-butylpyridinium hydrochloride salt 作用下,
以
二氯甲烷 为溶剂,
反应 9.0h,
以85%的产率得到4-hydroxybutyl-bicyclo[2.2.1]hept-5-ene-2-carboxylate-2-deoxy-3,4,6-tri-O-benzyl-α-D-galactopyranoside