The asymmetric unit of the title compound, C 16 H 19 Cl 2 N 3 OS, contains two crystallographically independent molecules, which have almost identical conformations. The dihydropyrimidine ring adopts a boat conformation in both molecules. N-HÁ Á ÁO and N-HÁ Á ÁS hydrogen bonds stabilize the crystal
1,4-Dihydro-6-methyl-5-(N-methylcarbamoyl)-4-(4-nitrophenyl)pyrimidine-2(3H)-thione monohydrate
✍ Scribed by Sridhar, Balasubramanian ;Ravikumar, Krishnan
- Publisher
- International Union of Crystallography
- Year
- 2005
- Tongue
- English
- Weight
- 127 KB
- Volume
- 61
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
The title compound, C 13 H 14 N 4 O 3 SÁH 2 O, is an isomer of 1,4dihydro-6-methyl-5-(N-methylcarbamoyl)-4-(2-nitrophenyl)pyrimidine-2(3H)-thione. The nitro group is coplanar with the benzene ring to which it is attached. Intermolecular hydrogen bonds stabilize the crystal structure.
📜 SIMILAR VOLUMES
The dihydropyridine ring has a flattened boat conformation. Molecules are linked by N-HÁ Á ÁN hydrogen bonds.
In the title compound, C~20~H~15~ClN~4~, the two benzene rings form dihedral angles of 30.95 (9) and 70.69 (6)° with the triazole ring, and the dihedral angle between the triazole and the pyridine rings is 43.38 (8)°. Intermolecular C—H...N hydrogen bonds are observed in the crystal structure.