α,α’-Dicinnamoyl ketene cyclic S, S-acetals 4 were reacted with ethylenediamine to afford α,α’-dicinnamoyl ketene cyclic N,N-acetals 5. This process provi
The gas chromatographic separations of aromatic compounds using special mixed sta-tionary phases consisting of pp-p-CD+AgNO3, pp-p-CD+TlNO3, pp-β-CD+di-n-butly
A new Monte Carlo simulation method for studying three-dimensional microstructures as well as their evolution in polycrystalline materials has been set up. The