Schiff bases containing triazole rings have good bioactivity. Six new Schiff bases of 3amino1,2,4triazolo5ethoxy carbonyl methylmercapto have been synthesized. All compounds synthesized are confirmed by ...Schiff bases containing triazole rings have good bioactivity. Six new Schiff bases of 3amino1,2,4triazolo5ethoxy carbonyl methylmercapto have been synthesized. All compounds synthesized are confirmed by 1H NMR,IR and MS. Preliminary bioassay indicates that some compounds display fungicidal activity and plant hormone activity to some extent.展开更多
Density,viscosity and ultrasonic v elocity of solutions of four Schiff bases in 1,4-dioxane and dimethylfor -mamide(DMF )were measured at 308.15K.Various acoustical properties such as specific impedance(Z),adiabatic c...Density,viscosity and ultrasonic v elocity of solutions of four Schiff bases in 1,4-dioxane and dimethylfor -mamide(DMF )were measured at 308.15K.Various acoustical properties such as specific impedance(Z),adiabatic compressibility(κ s ),Rao’s molar sound function(R m ),the van der Waals constant (b),molar compressibility(W),intermolecular free length(L f ),relaxation strength(r),solvation number(S n ),were calculated.The results are in terpret-ed in terms of molecular interactions occurring in the solutions.展开更多
文摘Schiff bases containing triazole rings have good bioactivity. Six new Schiff bases of 3amino1,2,4triazolo5ethoxy carbonyl methylmercapto have been synthesized. All compounds synthesized are confirmed by 1H NMR,IR and MS. Preliminary bioassay indicates that some compounds display fungicidal activity and plant hormone activity to some extent.
文摘Density,viscosity and ultrasonic v elocity of solutions of four Schiff bases in 1,4-dioxane and dimethylfor -mamide(DMF )were measured at 308.15K.Various acoustical properties such as specific impedance(Z),adiabatic compressibility(κ s ),Rao’s molar sound function(R m ),the van der Waals constant (b),molar compressibility(W),intermolecular free length(L f ),relaxation strength(r),solvation number(S n ),were calculated.The results are in terpret-ed in terms of molecular interactions occurring in the solutions.