Reactions of nitroxides 15. Cinnamates bearing a nitroxyl moiety synthesized using a Mizoroki–Heck cross-coupling reaction
作者:Jerzy Zakrzewski、Bogumiła Huras
DOI:10.3762/bjoc.11.130
日期:——
Cinnamic acid derivatives bearing a nitroxyl moiety (2,2,6,6-tetramethyl-1-oxyl-4-piperidyl 3-E-aryl acrylates) were synthesized in 30-100% yield using a Mizoroki-Heck cross-coupling reaction between 4-acryloyloxy-2,2,6,6-tetramethylpiperidine-1-oxyl and iodobenzene derivatives in the presence of palladium(II) acetate coordinated with a tri(o-tolyl)phosphine ligand immobilized in a polyurea matrix
使用Mizoroki-Heck交叉偶联反应以30-100%的产率合成带有硝酰基部分的肉桂酸衍生物(2,2,6,6-四甲基-1-氧基-1-哌啶基3-E-芳基丙烯酸酯)在乙酸钯(II)与固定在聚脲基质中的三(邻甲苯基)膦配体配位的情况下,存在4-丙烯酰氧基-2,2,6,6-四甲基哌啶-1-氧基和碘代苯衍生物。