(Methyl Difluoroacetate)copper Reagent. Remarkable Solvent Effect on the<sup>19</sup>F-NMR Spectrum, Stability and Reactivity
作者:Osamu Kitagawa、Takeo Taguchi、Yoshiro Kobayashi
DOI:10.1246/cl.1989.389
日期:1989.3
The 19F-NMR spectrum, thermal stability and reactivity of (methyl difluoroacetate)copper reagent were found to differ remarkably depending on the solvent (DMSO, DMF, or HMPA) used. With allylic bromide or alkynyl halide a crucial solvent effect for the coupling reactions was observed.
发现(二氟乙酸甲酯)铜试剂的 19 F-NMR 光谱、热稳定性和反应性因所使用的溶剂(DMSO、DMF 或 HMPA)而异。对于烯丙基溴或炔基卤化物,观察到偶联反应的关键溶剂效应。