Ten kinds of new ethers and analogues containing heterocycles were synthesized by the regioselective nucleophilicity substitute of dichloropyrimidine, whose structure was confirmed by 1H NMR and elements analysis. Bio...Ten kinds of new ethers and analogues containing heterocycles were synthesized by the regioselective nucleophilicity substitute of dichloropyrimidine, whose structure was confirmed by 1H NMR and elements analysis. Biological test showed that all compounds synthesized displayed a herbicidel activity to some extent. The herbicidal activity of particular compound is 78% at concentration of 1×10-5 mol/L.展开更多
Phenolic Oxazoline is a kind of important compound.In this paper,Phenolic Oxazolines and its relative compounds were synthesized by a reaction of cyanophenols with aminoalcohol or diamine under the catalyzing of Yb(OS...Phenolic Oxazoline is a kind of important compound.In this paper,Phenolic Oxazolines and its relative compounds were synthesized by a reaction of cyanophenols with aminoalcohol or diamine under the catalyzing of Yb(OSO2CF3)3.Some influence factors of this reaction were studied,such as the position of substituting groups,the type of cyclization and the kinds of solvent selected.The structures of thesis compounds were confimed by 1H NMR、13C NMR、Ms and MP.As a result,a method for the synthesis of Phenolic Oxazolines with a preliminary discussion was reported.展开更多
文摘Ten kinds of new ethers and analogues containing heterocycles were synthesized by the regioselective nucleophilicity substitute of dichloropyrimidine, whose structure was confirmed by 1H NMR and elements analysis. Biological test showed that all compounds synthesized displayed a herbicidel activity to some extent. The herbicidal activity of particular compound is 78% at concentration of 1×10-5 mol/L.
文摘Phenolic Oxazoline is a kind of important compound.In this paper,Phenolic Oxazolines and its relative compounds were synthesized by a reaction of cyanophenols with aminoalcohol or diamine under the catalyzing of Yb(OSO2CF3)3.Some influence factors of this reaction were studied,such as the position of substituting groups,the type of cyclization and the kinds of solvent selected.The structures of thesis compounds were confimed by 1H NMR、13C NMR、Ms and MP.As a result,a method for the synthesis of Phenolic Oxazolines with a preliminary discussion was reported.