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6-(Biphenyl-4-yl)-3-(4-ethoxy­phen­yl)-7H-1,2,4-triazolo[3,4-b][1,3,4]thia­diazine

✍ Scribed by Zhou, San-Nu ;Zhang, Li-Xue ;Jin, Jian-Yu ;Xiao, Hong-Ping ;Zhang, An-Jiang

Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
145 KB
Volume
62
Category
Article
ISSN
1600-5368

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✦ Synopsis

In the title compound, C 24 H 20 N 4 OS, the triazole ring is planar, whereas the thiadiazine may be regarded as having a halfchair conformation.

📜 SIMILAR VOLUMES

6-(2,4-Difluoro­phen­yl)-3-(4-methyl­phe
6-(2,4-Difluoro­phen­yl)-3-(4-methyl­phen­yl)-7H-1,2,4-triazolo[3,4-b][1,3,4]thia­diazine
✍ Zhang, Li-Xue ;Zhou, San-Nu ;Jin, Jian-Yu ;Xiao, Hong-Ping ;Zhang, An-Jiang 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 99 KB

In the title compound, C 17 H 12 F 2 N 4 S, the six-membered thiadiazine ring is distorted from planarity and may be regarded as having a half-chair conformation, with an r.m.s deviation of 0.221 A ˚. The delocalized triazole ring has normal bond lengths.

3-(4-Chloro­phen­yl)-6-(2,4-difluoro­phe
3-(4-Chloro­phen­yl)-6-(2,4-difluoro­phen­yl)-7H-1,2,4-triazolo[3,4-b][1,3,4]thia­diazine
✍ Zhang, Li-Xue ;Jin, Jian-Yu ;Zhou, San-Nu ;Xiao, Hong-Ping ;Zhang, An-Jiang 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 144 KB

The title compound, C 16 H 9 ClF 2 N 4 S, was prepared by the reaction of 4-amino-5-mercapto-3-chlorophenyl-1,2,4-triazole and 2-bromo-2 0 ,4 0 -fluoroacetophenone. The six-membered thiadiazine ring is distorted from planarity, with an r.m.s. deviation of 0.201 A ˚. All C and N atoms of the triazole

3-[6-(4-Bromo­phen­yl)-7H-1,2,4-triazolo
3-[6-(4-Bromo­phen­yl)-7H-1,2,4-triazolo[3,4-b][1,3,4]thia­diazin-3-yl]propanol
✍ Zhang, Li-Xue ;Jin, Jian-Yu ;Zhou, San-Nu ;Xiao, Hong-Ping ;Zhang, An-Jiang 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 101 KB

The title compound, C~13~H~13~BrN~4~OS, crystallizes with two molecules in the asymmetric unit. Intermolecular O—H...N hydrogen bonds enhance the stability of the crystal structure.

3-(2-Ethoxy­phen­yl)-6-phen­yl-1,2,4-tri
3-(2-Ethoxy­phen­yl)-6-phen­yl-1,2,4-triazolo[3,4-b][1,3,4]thia­diazole
✍ Huang, Xiao-Bo ;Liu, Miao-Chang ;Zhang, Li-Xue ;Zhang, An-Jiang ;Xu, Ya-Li ;Hu, 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 123 KB

In the title compound, C 17 H 14 N 4 OS, the central heterocyclic system formed by the five-membered triazole and thiadiazole rings is planar. The bond lengths within the system indicate some degree of delocalization. ## Experimental The title compound was prepared in 80% yield from 4-amino-(2eth