Synthesis of 3‐Aryl‐5‐<i>t</i>‐butylsalicylaldehydes and their Chiral Schiff Base Compounds
作者:Hai‐bin Liu、Mei Wang、Ying Wang、Qiang Gu、Li‐cheng Sun
DOI:10.1080/00397910701572423
日期:2007.10.1
Abstract Six meta‐substituted salicylaldehyde compounds have been prepared in 68–90% yields by the Suzuki–Miyaura coupling reaction using 3‐bromo‐5‐t‐butylsalicylaldehyde (1a) and arylboronic acids (2a–f) as reactants. Among the obtained products, 3‐(4‐fluorophenyl)‐5‐t‐butylsalicylaldehyde (3b), 3‐(4‐methylphenyl)‐5‐t‐butylsalicylaldehyde (3d), 3‐(1‐naphthyl)‐5‐t‐butylsalicylaldehyde (3e), and 3‐
摘要 使用 3-溴-5-叔丁基水杨醛 (1a) 和芳基硼酸 (2a-f) 作为反应物,通过 Suzuki-Miyaura 偶联反应以 68-90% 的产率制备了六种间位取代的水杨醛化合物。所得产物中,3-(4-氟苯基)-5-叔丁基水杨醛(3b)、3-(4-甲基苯基)-5-叔丁基水杨醛(3d)、3-(1-萘基)-5-t -丁基水杨醛 (3e) 和 3-(2-萘基)-5-叔丁基水杨醛 (3f) 迄今尚未见报道。从这些水杨醛衍生物中以 51-89% 的产率获得了一系列新的席夫碱配体 (L1-L10)。