Nucleoside reverse transcriptase inhibitors are the only drugs so far approved for the treatment of AIDS. Several nucleoside analogs are potent inhibitors of human immunodeficiency virus(HIV) in cell culture. However,...Nucleoside reverse transcriptase inhibitors are the only drugs so far approved for the treatment of AIDS. Several nucleoside analogs are potent inhibitors of human immunodeficiency virus(HIV) in cell culture. However, in many cases the nucleoside derivatives have a poor affinity for nucleoside kinases. Nucleoside 5′-phosphorothioates is relatively resistant to enzymatic transformations. In this paper, 2′,3′-O-alkoxymethylidene adenosine 5′-thiophosphoramidates were synthesized through a highly efficient approach. The new compounds were characterized by NMR, IR and ESI-MS.展开更多
Three kinds of 4-(4-aminophenoxy)-2-(alkyl carbamoyl)pyridines were synthesized respectively from three kinds of N-alkyl-4-chloro-2-pyridine carboxamides and p-aminophenol potassium,which were obtained from p-aminophe...Three kinds of 4-(4-aminophenoxy)-2-(alkyl carbamoyl)pyridines were synthesized respectively from three kinds of N-alkyl-4-chloro-2-pyridine carboxamides and p-aminophenol potassium,which were obtained from p-aminophenol and tert-butyl alcohol potassium with nitrogen protection in anhydrous DMF.The structures of the target compounds were characterized by IR,1HNMR and ESI-MS.展开更多
Chial Complexes of Mn3+, Fe3+, Ni2+ and Cu2+ were prepared from chiral Schiff Base ligand obtained by condensation of new type methyl 5-(1,1-dimethylethyl)-3-formyl-4-hydroxybenzoate synthesized by this work with (1R,...Chial Complexes of Mn3+, Fe3+, Ni2+ and Cu2+ were prepared from chiral Schiff Base ligand obtained by condensation of new type methyl 5-(1,1-dimethylethyl)-3-formyl-4-hydroxybenzoate synthesized by this work with (1R, 2R)-1,2-diaminocyclohexane. The new chiral ligand and complexes were characterized by elementary analysis, 1H NMR, IR and UV-Vis.展开更多
文摘Nucleoside reverse transcriptase inhibitors are the only drugs so far approved for the treatment of AIDS. Several nucleoside analogs are potent inhibitors of human immunodeficiency virus(HIV) in cell culture. However, in many cases the nucleoside derivatives have a poor affinity for nucleoside kinases. Nucleoside 5′-phosphorothioates is relatively resistant to enzymatic transformations. In this paper, 2′,3′-O-alkoxymethylidene adenosine 5′-thiophosphoramidates were synthesized through a highly efficient approach. The new compounds were characterized by NMR, IR and ESI-MS.
文摘Three kinds of 4-(4-aminophenoxy)-2-(alkyl carbamoyl)pyridines were synthesized respectively from three kinds of N-alkyl-4-chloro-2-pyridine carboxamides and p-aminophenol potassium,which were obtained from p-aminophenol and tert-butyl alcohol potassium with nitrogen protection in anhydrous DMF.The structures of the target compounds were characterized by IR,1HNMR and ESI-MS.
文摘Chial Complexes of Mn3+, Fe3+, Ni2+ and Cu2+ were prepared from chiral Schiff Base ligand obtained by condensation of new type methyl 5-(1,1-dimethylethyl)-3-formyl-4-hydroxybenzoate synthesized by this work with (1R, 2R)-1,2-diaminocyclohexane. The new chiral ligand and complexes were characterized by elementary analysis, 1H NMR, IR and UV-Vis.
