Pentafluorophenyl diphenylphosphate was found to be a novelconvenient coupling reagent for the peptide synthesis with severaladvantages.Higher yield and lower r
From aerial part of Aster ageratoides, a new natural diterpene glucoside was isolated, Its structure was established by means of spectral and chemical methods a
The rapid alkylation of methyl N-benzylidene glycinate with halides under microwave irradiation using solid-liquid phase transfer condition without solvent has