Synthesis, Molecular Docking, Analgesic, and Anti-Inflammatory Activities of New 1,2,4-Oxadiazolo-Sulfonamides
摘要:
In the present study novel 1,2,4-oxadiazolo sulfonamides 3a-3o are synthesized by an efficient method based on the reaction of 1,2,4-oxadiazole amines with aryl sulfonyl chlorides. Structures of the synthesized compounds are confirmed by IR, NMR and Mass spectra. Molecular interactions of the obtained compounds are studied by Discovery Studio v3.5, molecular docking with COX-2 enzyme. The compounds with high LibDock score are screened for their in vivo analgesic and anti inflammatory activities. The compound 3l demonstrates the highest activity.
Synthesis, characterization and interaction mechanism of new oxadiazolo-phthalimides as peripheral analgesics. IV
作者:Roberto Antunes、Hildson Batista、Rajendra M. Srivastava、George Thomas、Clidenor C. Araújo、Ricardo L. Longo、Hélio Magalhães、Marcelo B.C. Leão、Antônio C. Pavão
DOI:10.1016/s0022-2860(03)00418-6
日期:2003.11
The synthesis, characterization and spectroscopic studies of compounds 6a-g with analgesic activity is described. A new model of interaction between the drug and the enzyme is suggested. Application of the Resonance Valence Bond theory led us to propose. for the first time, an entirely new mechanism involving an electron transfer from the amino acid residue of the enzyme to the drug. Theoretical studies of various transition states involved in the interaction mechanism employing the semi-empirical molecular orbital calculations (AMI method) have been carried out. This article also deals with an extensive study of the structure-activity relationships of seven oxadiazolo-phthalimides 6a-g. (C) 2003 Elsevier B.V. All rights reserved.