Mahesha, N. and Yathirajan, H. S. and Nagma Banu, H. A. and Kalluraya, Balakrishna and Foro, Sabine and Glidewell, Christopher (2021) Different patterns of supramolecular aggregation in three amides containing N-(benzo[d]thiazolyl) substituents. Acta Crystallographica Section E, 77 (5). pp. 504-511. ISSN 2056-9890
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Abstract
Crystal structures are reported for three amides containing N-benzo[d]thiazole substituents. In N-(benzo[d]thiazol-6-yl)-3-bromobenzamide, C14H9BrN2OS, where the two ring systems are nearly parallel to one another [dihedral angle = 5.8 (2)°], the molecules are linked by N—H⋯O and C—H⋯N hydrogen bonds to form ribbons of R33(19) rings, which are linked into sheets by short Br⋯Br interactions [3.5812 (6) Å]. N-(6-Methoxybenzo[d]thiazol-2-yl)-2-nitrobenzamide, C15H11N3O4S, crystallizes with Z′ = 2 in space group Pna21: the dihedral angles between the ring systems [46.43 (15) and 66.35 (13)°] are significantly different in the independent molecules and a combination of two N—H⋯N and five C—H⋯O hydrogen bonds links the molecules into a three-dimensional network. The molecules of 5-cyclopropyl-N-(6-methoxybenzo[d]thiazol-2-yl)isoxazole-3-carboxamide, C15H13N3O3S, exhibit two forms of disorder, in the methoxy group and in the cyclopropylisoxazole unit; symmetry-related pairs of molecules are linked into dimers by pairwise N—H⋯N hydrogen bonds. Comparisons are made with the structures of some related compounds.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | heterocyclic compounds, benzodthiazoles, crystal structure, molecular conformation, disorder, hydrogen bonding, halogen bonding |
| Subjects: | C Chemical Science > Chemistry |
| Divisions: | Department of > Chemistry |
| Depositing User: | C Swapna Library Assistant |
| Date Deposited: | 19 Apr 2021 05:27 |
| Last Modified: | 04 Mar 2026 06:15 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/16202 |
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