Two methods for the synthesis of 1,2,4-triazolylacetic ester bearing an aminofurazanyl substituent at the position 5 were developed. The triazole cycle was formed via the cyclocondensation of 3-aminofurazanecarboxylic acid hydrazide or amidrazone with ethoxycarbonylethyl acetimidate hydrochloride.

中文翻译：

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2-[(4-aminofurazan-3-yl)-1H-1,2,4-triazol-5-yl] 乙酸衍生物的合成和一些转化

开发了两种合成在 5 位带有氨基呋喃基取代基的 1,2,4-三唑基乙酸酯的方法。三唑环是通过 3-氨基呋咱甲酸酰肼或脒腙与乙氧基羰基乙基乙酰亚胺盐酸盐的环缩合反应形成的。