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HNO2-Assisted Triazine Cycle Contraction in 3-oxo-,3-thioxo- and 3-imino-5,7-dimethyl-4a,7a-diphenyl-perhydroimidazo[4,5-e][1,2,4]triazin-6-ones

✍ Scribed by Kravchenko, Angelina N.; Gazieva, Galina A.; Vasilevskii, Sergei V.; Belyakov, Pavel A.; Nelyubina, Yulia V.


Book ID
119325105
Publisher
Royal Society of Chemistry
Year
2012
Tongue
English
Weight
363 KB
Volume
22
Category
Article
ISSN
0959-9436

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7,7-Dimethyl-2-phenyl-6,7-dihydro-1,2,4-
✍ Dolzhenko, Anton V. ;Tan, Geok Kheng ;Koh, Lip Lin ;Dolzhenko, Anna V. ;Chui, Wa πŸ“‚ Article πŸ“… 2007 πŸ› International Union of Crystallography 🌐 English βš– 494 KB

The title compound, C 12 H 14 N 6 , was synthesized via cyclocondensation of 5-guanidino-3-phenyl-1,2,4-triazole with acetone. Only one tautomeric form with the NH H atom vicinal to the methyl groups was observed in the crystal structure. The triazine ring adopts a flattened half-boat conformation.