Three Nimesulide Derivatives: Synthesis, Ab Initio Structure Determination from Powder X-ray Diffraction, and Quantitative Analysis of Molecular Surface Electrostatic Potential
作者:Tanusri Dey、Paramita Chatterjee、Abir Bhattacharya、Sarbani Pal、Alok K. Mukherjee
DOI:10.1021/acs.cgd.5b01547
日期:2016.3.2
Three nimesulide derivatives, N-[4-(2,5-dioxo-pyrrolidin-1-yl)-2-phenoxyphenyl] methanesulfonamide (2), N-[4-(4-methanesulfonylamino-3-phenoxy phenylsulfamoyl) phenyl] acetamide (3), and 4-(4-methanesulfonylamino-3-phenoxyphenyl-carbamoyl)-butanoic acid (4), have been synthesized, and their crystal structures have been determined from laboratory powder X-ray diffraction data. The nature of intermolecular
三种尼美舒利衍生物,N- [4-(2,5-二氧代吡咯烷-1-基)-2-苯氧基苯基]甲磺酰胺(2),N- [4-(4-甲磺酰基氨基-3-苯氧基苯基氨磺酰基)苯基]乙酰胺(3)和4-(4-甲磺酰基氨基-3-苯氧基苯基-氨基甲酰基)-丁酸(4)已经合成,并且它们的晶体结构已经由实验室粉末X射线衍射数据确定。分子间相互作用在自然界2 - 4已经通过Hirshfeld分析表面和二维指纹图形和与在多晶型物的尼美舒利(比较图1A和1B)。2水晶包装– 4表现出NH–··O,OH–··O(在4中),CH–H···O和CH–H···π(在2中)氢键的相互作用,将分子组装成超分子框架。通过计算分子静电势能表面可以补充2 – 4中基于氢键的相互作用。在竞争性分子识别的情况下,-NH部分作为氢键供体的效力与4中的-COOH部分的效力相当。的Hirshfeld表面分析2 - 4以及一些相关的尼美舒利衍生物表明约90