Generation of diverse 2-pyrones via palladium-catalyzed site-selective Suzuki-Miyaura couplings of 3-bromo-4-tosyloxy-2-pyrone
作者:Xiaoli Lei、Liang Gao、Qiuping Ding、Yiyuan Peng、Jie Wu
DOI:10.1039/c1ob05783a
日期:——
Based on different reactivity of the (pseudo)halide substituents in the 2-pyrone (3-Br and 4-OTs), palladium-catalyzed sequential site-selective Suzuki–Miyaura cross-coupling reactions of 3-bromo-6-methyl-4-tosyloxy-2-pyrone are described, which afford the diverse 2-pyrones in good yields.
根据2-吡喃酮(3-Br和4-OTs)中(伪)卤化物取代基的不同反应性,钯催化的顺序位点选择性Suzuki-Miyaura交叉偶联反应 3-溴-6-甲基-4-甲苯磺酰氧基-2-吡喃酮 描述了以良好的收率提供各种2-吡喃酮的方法。