The dianion prepared from 3-bromo-1H-indazole and alkyllithium bases reacts with a variety of electrophiles to give the corresponding 3-monosubstituted 1H-indazole derivatives in moderate yields. This procedure is more general and shorter than earlier methods.
由 3-溴-1H-
吲唑和烷基
锂碱制备的二元离子与多种亲电体发生反应,以中等产率得到相应的 3-单取代 1H-
吲唑衍
生物。与以前的方法相比,这种方法更通用、更简便。