Methods for the synthesis of N-substituted carboxylated pyridinium compounds by reaction of a pentamethine precursor with a primary amine are provided. In this reaction an N-substituted alkoxycarbonyl pyridinium heterocycle is formed.
提供一种通过将五甲基前体物与一级胺反应来合成N-取代羧化
吡啶化合物的方法。在这种反应中,形成了一种N-取代烷氧羰基
吡啶杂环。