2-(1-Oxyl-2,5-dihydro-2,2,5,5-tetramethyl-1H-pyrrol-3-yl)-5-(β-D-2,3,4,6-tetra-O-acetyl-glucopyranosyloxy)chromen-4-one radical 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以41%的产率得到2-(1-Oxyl-2,5-dihydro-2,2,5,5-tetramethyl-1H-pyrrol-3-yl)-5-(β-D-glucopyranosyloxy)chromen-4-one radical