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Nitroazines. 19. Prototropic tautomerism in 6-nitro-7-oxo-4,7-dihydro-1,2,4-triazolo[5,1-c][1,2,4]triazines

โœ Scribed by V. L. Rusinov; E. N. Ulomskii; N. A. Klyuev; V. M. Orlov; S. V. Shorshnev; O. N. Chupakhin

Publisher
Springer US
Year
1992
Tongue
English
Weight
255 KB
Volume
28
Category
Article
ISSN
0009-3122

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๐Ÿ“œ SIMILAR VOLUMES

7,7-Dimethyl-2-phenyl-6,7-dihydro-1,2,4-
7,7-Dimethyl-2-phenyl-6,7-dihydro-1,2,4-triazolo[1,5-a][1,3,5]triazin-5-amine
โœ Dolzhenko, Anton V. ;Tan, Geok Kheng ;Koh, Lip Lin ;Dolzhenko, Anna V. ;Chui, Wa ๐Ÿ“‚ Article ๐Ÿ“… 2007 ๐Ÿ› International Union of Crystallography ๐ŸŒ English โš– 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.

5,5-Dimethyl-2-phenyl-4,5-dihydro-1,2,4-
5,5-Dimethyl-2-phenyl-4,5-dihydro-1,2,4-triazolo[1,5-a][1,3,5]triazin-7-amine
โœ Dolzhenko, Anton V. ;Tan, Geok Kheng ;Koh, Lip Lin ;Dolzhenko, Anna V. ;Chui, Wa ๐Ÿ“‚ Article ๐Ÿ“… 2007 ๐Ÿ› International Union of Crystallography ๐ŸŒ English โš– 945 KB

The title compound, C 12 H 14 N 6 , was synthesized via cyclocondensation of 5-amino-1-guanyl-3-phenyl-1,2,4-triazole with acetone. Only one tautomeric form with an H atom at the triazine N atom was observed in the crystal structure. The compound crystallizes with two almost identical molecules in t