## Abstract magnified image Several 4‐substituted‐3, 5‐bis(2‐pyridyl)‐1__H__‐pyrazoles, where the substituent is chloro, bromo, iodo, nitro, diazo, were synthesized under mild reaction conditions in high yields. The structures of the products were characterized by ^1^H NMR, ^13^C NMR, ESI‐MS, IR a
3-(4-Pyridyl)-5-(2-pyridyl)-1H-pyrazole
✍ Scribed by Churakov, Andrei V. ;Kuz'mina, Lyudmila G. ;Nuriev, Vyatcheslav N. ;Vatsadze, Sergey Z. ;Zyk, Nikolay V.
- Book ID
- 104482117
- Publisher
- International Union of Crystallography
- Year
- 2004
- Tongue
- English
- Weight
- 435 KB
- Volume
- 60
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
The title compound, C 13 H 10 N 4 , is a non-linear 2,4-bipyridyltype ligand. Adjacent centrosymmetric molecules are linked together by pairs of intermolecular NÐHÁ Á ÁN hydrogen bonds. The dimers stack along the b axis.
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## Abstract Die bereits aufgrund spektroskopischer Daten zuerteilte Struktur ^1)^ des 5‐[Pyridyl‐(**2**)]‐3‐[5‐chlor‐pyridyl‐(2)]‐3__H__‐1.2.3.4.‐oxathiadiazol‐__S__‐oxids (**4**, R^1^ Cl, R^2^ = Pyridy‐(2)) wurde durch röntgenographische Strukturbestimmung bestätigt.
Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.003 A Ê R factor = 0.050 wR factor = 0.142 Data-to-parameter ratio = 15.3 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.