Reaction of benzamidrazone hydroiodide 1 with D-glucose 2, D-galactose 3 and D-arabinose 8 followed by acetylation afforded 1-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-, 1-(2,3,5,6-tetra-O-acetyl-α-D-galactofuranosyl)- and 1-(1,2,3,4,5-penta-O-acetyl-D-manno-pentitol-1-yl)-5-methyl-3-phenyl-1H-1,2,4-triazole 6, 7 and 13, respectively. Structural analyses of these products were carried out by 1H, 13C, and 2D NMR spectra (DQFCOSY, HMQC and HMBC experiments), as well as by MS, FABMS and X-ray crystallography.
苯甲酰胺腙氢
碘化物 1 与
D-葡萄糖 2、
D-半乳糖 3 和
D-阿拉伯糖 8 反应,然后进行乙酰化,得到 1-(2,3,4,6-四-O-乙酰基-β-
D-吡喃葡萄糖基)-和 1-(1,2,3,4,5-五-O-乙酰基-α-
D-半乳糖基)-、1-(2,3,5,6-四-O-乙酰基-α-
D-半乳糖呋喃糖基)- 和 1-(1,2,3,4,5-五-O-乙酰基-D-甘露
戊醇-1-基)-5-甲基-3-苯基-
1H-1,2,4-三唑 6、7 和 13。通过 1H、13C 和 2D NMR 光谱(DQFCOSY、HMQC 和 HMBC 实验)以及 MS、FABMS 和 X 射线晶体学对这些产物进行了结构分析。