2,4,5-Trisubstituted thiazole derivatives: A novel and potent class of non-nucleoside inhibitors of wild type and mutant HIV-1 reverse transcriptase
摘要:
Novel 2,4,5-trisubstituted thiazole derivatives (TSTs) were designed and synthesized as HIV-1 non-nucleoside reverse transcriptase inhibitors (NNRTIs). Among the thirty-eight synthesized target compounds, thirty TSTs showed potent inhibition against HIV-1 replication in wild type HIV-1 at submicromolar concentrations (from 0.046 to 9.59 mu M). Compounds 21, 23 and 24 were also tested on seven NNRTI-resistant HIV-1 strains, and all exhibited inhibitory effects with fold changes in IC50 ranging from 2.6 to 111, which were better than those of nevirapine (15.6-fold-371-fold). Docking simulations of compound 24 revealed a reasonable mechanism for the binding mode, and three-dimensional quantitative structure activity relationship (3-DQSAR) studies on this novel series of TST further elucidated the structure-activity relationship (SAR). The results suggested the great potential of TSTs as a novel class of NNRTIs with antiviral efficacy and a good resistance profile. (C) 2014 Elsevier Masson SAS. All rights reserved.
Totally 38 aryl E 2-propen-1-ones including nine substituted styryl 4-iodophenyl ketones have been synthesised using solvent-free SiO2-H3PO4 catalyzed Aldol condensation between respective methyl ketones and substituted benzaldehydes under microwave irradiation. The yields of the ketones are more than 80%. The synthesised chalcones were characterized by their analytical, physical and spectroscopic
A simple and efficient synthesis of 2,4,6-triarylpyridines is described from a novelreaction between chalcones and ammonium acetate undersolvent-freeconditions in excellent yields.
bifonazole and pyrrolnitrin, two compounds belonging to the class of antimycotic drugs. The synthesis of the title pyrroles has been performed starting from 1,3-diaryl-2-propen-1-ones, which were reacted with tosylmethyl isocyanide to give 3-aroyl-4-arylpyrroles. Reduction of the resulting compounds by lithiumaluminumhydride furnished the related alcohols, which were treated with 1,1'-carbonyldimidazole to
New one-pot approach to regio-synthesis of substituted 2-aminothiazoles from the corresponding keto-aziridines
作者:Heshmat A. Samimi、Somaye Mohammadi
DOI:10.1007/s13738-013-0276-7
日期:2014.2
Ring expansion of keto-aziridines to the corresponding 2-aminothiazoles (54–67 %) using ammonium thiocyanate in the presence of RuCl3 under refluxing acetonitrile is described. A plausible mechanism for the synthesis of substituted 2-aminothiazoles has been proposed.
A straightforward and general method has been developed for the synthesis of chalcone derivatives by a Claisen-Schmidt reaction in the presence of PPh3/I2 in 1,4-dioxane under reflux temperatures. ...