3-(1,2-O-isopropylidene-3-O-methyl-α-D-xylo-tetro-1,4-furanos-4-yl)-1-p-nitrophenylpyrazole-5-carboxylate 在
ammonium hydroxide 作用下,
以
1,4-二氧六环 为溶剂,
反应 24.0h,
以85%的产率得到3-(1,2-O-isopropylidene-3-O-methyl-α-D-xylo-tetro-1,4-furanos-4-yl)-1-p-nitrophenylpyrazole-5-carboxamide