4-(4-methoxylphenylhydrazono)-5-trifluoromethyl-2,4-dihydropyrazol-3-one 、
2,3,4,6-四乙酰氧基-alpha-D-吡喃葡萄糖溴化物 在
三乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
生成 2-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-4-(4-methoxyphenylhydrazono)-5-trifluoromethyl-2,4-dihydropyrazol-3-one 、 1-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-3-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyloxy)-4-(4-methoxyphenylhydrazono)-5-trifluoromethyl-1H-pyrazole