Structural study of three nimesulidetriazole derivatives using X-ray powder diffraction: effect of substitution on supramolecular assembly
作者:Tanusri Dey、Soumen Ghosh、Jyoti Mareddy、Jayashree Anireddy、Sarbani Pal、Alok K. Mukherjee
DOI:10.1039/c4ce01650e
日期:——
A series of three nimesulidetriazole derivatives, N-(2-phenoxy-4-(4-phenyl-1H-1,2,3-triazol-1-yl)phenyl)methanesulfonamide (2), N-(2-phenoxy-4-(4-p-tolyl-1H-1,2,3-triazol-1-yl)phenyl)methanesulfonamide (3) and N-(4-(4-((4-chloro-3-methylphenoxy)methyl)-1H-1,2,3-triazol-1-yl)-2-phenoxyphenyl)methanesulfonamide (4), have been synthesized and the crystal structures of 2–4 containing more than twenty eight (28) non-hydrogen atoms in their chemical formulas and six (6) torsional degrees of freedom have been determined from laboratory X-ray powder diffraction data. The nature of intermolecular interactions in 2–4 has been analyzed through Hirshfeld surfaces and 2D fingerprint plots and compared with that in the nimesulide polymorphs (1a and 1b). The DFT optimized molecular geometries in 2–4 agree closely with those obtained from the crystallographic studies. The N(sulphonamide)–H⋯O(sulfonyl) hydrogen bonds generated cyclic R22(8) rings in 2–4, which are further connected through C–H⋯O, C–H⋯N hydrogen bonds and C–H⋯π interactions into a two-dimensional framework in 3 and a three-dimensional architecture in 2 and 4. Hirshfeld surface analyses of 1–4 as well as a few related nimesulide derivatives retrieved from the Cambridge Structural Database (CSD) indicate that about 80% of the Hirshfeld surface areas in this class of compounds are due to H⋯H, C⋯H and O⋯H contacts.
我们合成了一系列三种尼美舒利三唑衍生物,即 N-(2-苯氧基-4-(4-苯基-1H-1,2,3-三唑-1-基)苯基)甲磺酰胺 (2)、N-(2-苯氧基-4-(4-对甲苯基-1H-1,2,3-三唑-1-基)苯基)甲磺酰胺 (3) 和 N-(4-(4-((4-氯-3-甲基苯氧基)甲基)-1H-1,2,3-三唑-1-基)-2-苯氧基苯基)甲磺酰胺 (4)、合成了 N-(4-(4-((4-氯-3-甲基苯氧基)甲基)-1H-1,2,3-三唑-1-基)-2-苯氧基苯基)甲磺酰胺 (4),并根据实验室 X 射线粉末衍射数据确定了 2-4 的晶体结构,其化学式中含有超过二十八 (28) 个非氢原子和六 (6) 个扭转自由度。通过 Hirshfeld 表面和二维指纹图谱分析了 2-4 中分子间相互作用的性质,并将其与尼美舒利多晶体(1a 和 1b)中分子间相互作用的性质进行了比较。2-4 中的 DFT 优化分子几何形状与晶体学研究得出的分子几何形状非常吻合。2-4 中的 N(磺酰胺)-H⋯O(磺酰基)氢键生成了环状 R22(8) 环,这些环通过 C-H⋯O、C-H⋯N 氢键和 C-H⋯π 相互作用进一步连接成了 3 中的二维框架以及 2 和 4 中的三维结构。对 1-4 以及从剑桥结构数据库(CSD)中检索到的一些相关尼美舒利衍生物进行的 Hirshfeld 表面分析表明,这一类化合物中约 80% 的 Hirshfeld 表面积是由 H⋯H、C⋯H 和 O⋯H 接触造成的。