[(3R,4S,5S,6S)-3,4,5-trihydroxy-6-prop-2-enoxycarbonyloxan-2-yl] 1-[(2,4-dichlorophenyl)methyl]indazole-3-carboxylate 在
四(三苯基膦)钯 四氢吡咯 作用下,
以
四氢呋喃 为溶剂,
生成 (2S,3S,4S,5R,6S)-6-[1-[(2,4-dichlorophenyl)methyl]indazole-3-carbonyl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid 、