The 2-(trimethylsilyl)ethoxymethoxy (OSEM) directed ortho metalation group. New regiospecific synthetic routes to substituted benzenes and pyridines
作者:Saumitra Sengupta、Victor Snieckus
DOI:10.1016/s0040-4039(00)97597-x
日期:——
Regiospecific metalation of OSEM aryl (2) and 3-pyridyl (5) systems allows the preparation of diversely substituted aromatic (3, Table), 4-pyridyl (6), and, significantly, 2-pyridyl (7,9) derivatives.
OSEM芳基(2)和3-吡啶基(5)系统的区域特异性金属化可以制备不同取代的芳族化合物(3,表),4-吡啶基(6)以及明显的2-吡啶基(7,9)衍生物。