Reference of 1455-77-2, New Advances in Chemical Research in 2021. As an important bridge between the micro and macro material world, chemistry is one of the main methods and means for humans to understand and transform the material world. 1455-77-2, name is 3,5-Diamino-1,2,4-triazole, molecular formula is C2H5N5, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.
General procedure: An equimolar solution of 3,5-diamino-1,2,4-triazole (0.99 g, 0.01 mol) and 2-hydroxynaphthaldehyde (1.72 g, 0.01 mol) in dry methanol (50 mL) was refluxed for 3 h, a precipitated product was formed during refluxing. It was then cooled to room temperature, filtered, washed with methanol (35 mL), then with diethyl ether (2 × 5 mL) and dried under vacuum. Recrystallization in a mixture of methanol:dioxane (1:4) gave TLC pure product (L1) in 83percent yield. The same method was applied for the preparation of all other ligands (L2)?(L5).
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Reference:
Article; Sumrra, Sajjad H.; Chohan, Zahid H.; Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy; vol. 98; (2012); p. 53 – 61;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics