This paper designed and synthesized a series of different chain length of phthalonitrile-terminated oligo (phthalazinone imide), it has good water solubility, and can be under normal atmospheric pressure to form the...This paper designed and synthesized a series of different chain length of phthalonitrile-terminated oligo (phthalazinone imide), it has good water solubility, and can be under normal atmospheric pressure to form the s-triazine rings-containing thermosetting oligo (phthalazine imide). Compared with the traditional thermosetting resin, the resin has the advantages of high temperature resistance, high strength, flame retardant, resistance to chemical corrosion.展开更多
Inhibition of 11βHSD1 (11-beta-hydroxysteroid dehydrogenase 1) is a promising strategy in drug treatment of diabetes. Several 11βHSDI inhibitors have been proposed; however, their selectivity to 11βHSD1 over its ...Inhibition of 11βHSD1 (11-beta-hydroxysteroid dehydrogenase 1) is a promising strategy in drug treatment of diabetes. Several 11βHSDI inhibitors have been proposed; however, their selectivity to 11βHSD1 over its isozyme 11βHSD2 (11-beta-hydroxysteroid dehydrogenase 2) has not been fully reported. The authors sought to provide a short list of top potent and selective compounds along with their detailed binding modes and pharmacophore models, Molecular docking was used for initial screening of a set of 23 potent inhibitors reported by previous experimental studies. After that, selected promising entries were reassessed by molecular dynamics simulations, followed by hydrogen bond analysis. Pharmacophore models of all drug candidates and binding modes of some selected drugs were analyzed. Among the 23 compounds, only four inhibitors were identified as potent and selective drug candidates. Binding energies, 3D pharmacophores and binding modes of the four compounds with 11βHSDI are also discussed in detail in this study.展开更多
文摘This paper designed and synthesized a series of different chain length of phthalonitrile-terminated oligo (phthalazinone imide), it has good water solubility, and can be under normal atmospheric pressure to form the s-triazine rings-containing thermosetting oligo (phthalazine imide). Compared with the traditional thermosetting resin, the resin has the advantages of high temperature resistance, high strength, flame retardant, resistance to chemical corrosion.
文摘Inhibition of 11βHSD1 (11-beta-hydroxysteroid dehydrogenase 1) is a promising strategy in drug treatment of diabetes. Several 11βHSDI inhibitors have been proposed; however, their selectivity to 11βHSD1 over its isozyme 11βHSD2 (11-beta-hydroxysteroid dehydrogenase 2) has not been fully reported. The authors sought to provide a short list of top potent and selective compounds along with their detailed binding modes and pharmacophore models, Molecular docking was used for initial screening of a set of 23 potent inhibitors reported by previous experimental studies. After that, selected promising entries were reassessed by molecular dynamics simulations, followed by hydrogen bond analysis. Pharmacophore models of all drug candidates and binding modes of some selected drugs were analyzed. Among the 23 compounds, only four inhibitors were identified as potent and selective drug candidates. Binding energies, 3D pharmacophores and binding modes of the four compounds with 11βHSDI are also discussed in detail in this study.