737799-64-3Relevant academic research and scientific papers
Synthesis of mesoionic[1,2,3]triazolo[5,1-d][1,2,5]triazepines
Savel'eva, Elena A.,Rozin, Yury A.,Kodess, Mikhail I.,Van Meervelt, Luc,Dehaen, Wim,Morzherin, Yury Yu.,Bakulev, Vasiliy A.
, p. 5367 - 5372 (2004)
Intramolecular cyclization of 1-amino-3-phenacyl-4-carbohydrazido-1,2,3- triazolium-5-olates has been shown to take place via selective interaction of the carbonyl group with the terminal amino function of the hydrazido group to form a 1,2,5-triazepine ring. Minor products, resulting from the interaction of the α-nitrogen atom of the hydrazido group with the carbonyl function, having a N-amino-pyridazine structure were also detected and isolated. A general method for the synthesis of novel mesoionic 2-amino-7-aryl-4-oxo-2,4,5,8- tetrahydro[1,2,3]triazolo[5,1-d][1,2,5]triazepin-9-ium-3-olates was developed.
