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Ethyl 2-(5,7-dimethyl-1,2,4-triazolo[1,5-a]pyrimidin-2-yl­oxy)benzoate

✍ Scribed by Chen, Qiong ;Li, Yuan-Xiang ;Hu, Xiao-Wei ;Yang, Guang-Fu

Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
244 KB
Volume
61
Category
Article
ISSN
1600-5368

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✍ Vasu, ;Nirmala, K. A. ;Chopra, Deepak ;Vishwas, M. 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 288 KB

In the title compound, C 13 H 11 NO 4 , the dihedral angle between the benzene and maleimide rings is 41.4 (1) . There are CÐ HÁ Á ÁO hydrogen-bonded chains, running along the a and c axes.

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
✍ Dolzhenko, Anton V. ;Tan, Geok Kheng ;Koh, Lip Lin ;Dolzhenko, Anna V. ;Chui, Wa 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 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