Alicyclic Annulated Triazoles versus Triazinediones by the Reaction of Cyclic Imidates with Methyl 2-Hydrazinyl-2-oxoacetate
作者:Aleksandr Kostyuk、Viacheslav Lysenko、Anton Portiankin、Kostiantyn Nazarenko、Kostiantyn Shvydenko、Tetiana Shvydenko
DOI:10.3987/com-21-14612
日期:——
A simple convenient method for synthesis of esters of annulated triazole-3-carboxylic acids and/or 1,2,4-triazine-5,6-dione derivatives was proposed. Heating cyclic imidates with methyl 2-hydrazinyl-2-oxoacetate afforded either the annulated triazoles or the annulated triazinediones depending on the reaction conditions. Under heating at hydrochloric acid 1,2,4-triazine-5,6-diones were transformed into
提出了一种合成环化三唑-3-
羧酸和/或
1,2,4-三嗪-5,6-二酮衍
生物的酯的简单方便的方法。根据反应条件,用 2-
肼基-2-氧代
乙酸甲酯加热环状
亚胺酯得到环化三唑或环化三嗪二酮。在
盐酸加热下,
1,2,4-三嗪-5,6-二酮转化为三唑。