chloromethylated polystyrene
1.Chiral quaternary ammonium salts were synthesized from cinchonine in Cinchona alkaloids using chloromethylated polystyrene-polyethylene glycol, diethylene glycol, triethylene glycol and glycol as polymer-supported phase transfer catalysts, Finsl products were characterized by FTIR, Elemental analysis, Scanning electron microscopy, X-ray photoelectron spectroscopy (XPS).
