4-(N-Boc-amino)-1,2,3-triazole-5-carbaldehydes upon heating under reflux in acetic acid in the presence of pyrrolidine react with cycloalkanones, acetylacetone, 1,3-cyclohexanediones, and malononitrile resulting in annulation of the pyridine ring with the formation of new derivatives of [1,2,3]triazolo[4,5-b]pyridine.

中文翻译：

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一种获得碳环化和官能化的[1,2,3]三唑[4,5-b]吡啶的有效方法

在吡咯烷存在下在乙酸中加热回流加热后，4-（N -Boc-氨基）-1,2,3-三唑-5-甲醛与环烷酮，乙酰丙酮，1,3-环己烷二酮和丙二腈反应，导致环化反应吡啶环上形成[1,2,3]三唑并[4,5- b ]吡啶的新衍生物。