Lithiation of the 6-dimethylamino-1-azafulvene dimer. A versatile synthesis of 5-substituted pyrrole-2 carboxaldehydes.
作者:Joseph M. Muchowski、Petr Hess
DOI:10.1016/s0040-4039(00)80207-5
日期:1988.1
Metalation of the dimer of 6-dimethylamino-1-azafulvene, with t-butyllithium at −15°C, gave the 3,8-dilithio derivative , which after reaction with diverse electrophilic reagents and hydrolysis, provided a wide variety of 5-substituted pyrrole-2-carboxaldehydes .
在-15°C下用叔丁基锂将6-二甲基氨基-1-氮杂富烯的二聚体金属化,得到3,8-二硫代衍生物,该衍生物与各种亲电试剂反应并水解后,提供了多种5位取代基吡咯-2-甲醛。