作者:Agnese Stikute、Jevgeņija Lugiņina、Māris Turks
DOI:10.1016/j.tetlet.2017.05.097
日期:2017.7
undergoes a SNAr reaction with sulfinyloxy-trifluoroborates to produce the corresponding 2,4-dinitrophenylsulfone. The developed method allows the transformation of potassium allyltrifluoroborates into allyl sulfones.
钾allyltrifluoroborates进行了bora-烯与二氧化硫在不存在路易斯酸催化剂的,得到亚磺酰-三氟硼酸,其随后经历烷基化与亲电子,以产生在砜高达91%产率反应。苄基卤化物和卤代乙酸衍生物可用作烷基化试剂,而Sanger试剂与亚磺酰氧基三氟硼酸酯进行S N Ar反应,生成相应的2,4-二硝基苯砜。所开发的方法允许将烯丙基三氟硼酸钾转化为烯丙基砜。