Damodiran Munusamy, Sivakumar Ponnurengan Malliappan, Senthilkumar Rathnasabapathy, Muralidharan Duraisamy, Phani Kumar Bandara Venkata Narasimha, Doble Mukesh, Perumal Paramasivan Thirumalai
Central Leather Research Institute, Adyar, Chennai, Tamil Nadu, India.
Chem Biol Drug Des. 2009 Nov;74(5):494-506. doi: 10.1111/j.1747-0285.2009.00887.x. Epub 2009 Sep 28.
The diastereoselectivity of the intermolecular 1,3-dipolar cycloaddition reaction of d-glucose-derived nitrones with both cyclic and acyclic dipolarophiles were studied. The reaction of nitrone with acyclic dipolarophiles resulted in the formation of the endo adduct exclusively whereas with cyclic dipolarophiles endo adduct was obtained as the major product. Antibacterial activity was evaluated for these eighteen isoxazolidine derivatives against Staphylococcus aureus NCIM5021, Escherichia coli NCIM 2931 and Pseudomonas aeruginosa NCIM 5029 by twofold dilution technique using resazurin as the indicator dye. Quantitative structureactivity relationships were developed with fourteen and the model was validated with four data. Electronic and spatial descriptors were the major contributors in all the three quantitative structureactivity relationship equations and the statistical parameters r(2), r(2)(adj) , F-ratio and q(2) were found to be satisfactory.
研究了d -葡萄糖衍生的硝酮与环状和非环状亲偶极体的分子间1,3 -偶极环加成反应的非对映选择性。硝酮与非环状亲偶极体反应仅生成内型加合物，而与环状亲偶极体反应则以内型加合物为主要产物。采用刃天青作为指示染料的两倍稀释技术，对这18种异恶唑烷衍生物针对金黄色葡萄球菌NCIM5021、大肠杆菌NCIM 2931和铜绿假单胞菌NCIM 5029进行了抗菌活性评估。利用其中14个数据建立了定量构效关系，并使用4个数据对模型进行了验证。电子和空间描述符是所有三个定量构效关系方程中的主要贡献因素，统计参数r(2)、r(2)(adj)、F比和q(2)均令人满意。
