1,3-Difunctionalization of β-Alkyl Nitroalkenes via Combination of Lewis Base Catalysis and Radical Oxidation
作者:Ye Wang、Lei Zheng、Xiaodong Shi、Yunfeng Chen
DOI:10.1021/acs.orglett.0c04106
日期:2021.2.5
catalyst, β-alkyl-substituted nitroalkenes could be readily converted into allylic nitro compounds. Examples of either C-1 or C-3 functionalization methods have been reported through nitro-elimination, giving alkene products. In this work, successful 1,3-difunctionalization was achieved through a synergetic Lewis base catalysis and TBHP radical oxidation, giving vinylic alkoxyamines in good to excellent
用路易斯碱催化剂处理后,β-烷基取代的硝基烯烃很容易转化为烯丙基硝基化合物。已经通过硝基消除报道了C-1或C-3官能化方法的实例,得到烯烃产物。在这项工作中,通过协同的Lewis碱催化和TBHP自由基氧化,成功地实现了1,3-双官能团化,从而得到乙烯基烷氧基胺,收率好至极佳。这项工作进一步扩展了β-烷基硝基烯烃的一般合成应用。