selected in terms of suitability andefficiency. The lactonisation was performed according to an already reported method. Two-dimensional NMR analysis has been used to ascertain the structure of the lactones formed.
羟基酸已经通过
镍催化的
丙烯酸乙酯电
化学芳基化从邻位取代的芳基
溴化物制备。已根据适用性和效率选择保护和脱保护步骤。根据已经报道的方法进行内酯化。二维核磁共振分析已用于确定形成的内酯的结构。