SEARCH Articles Figures Tables Amino acid derivatives cinchona-based catalysts Catalysts cinchona derived bifunctional Chiral amines cinchona-derived catalysts Cinchona Cinchona catalyst Cinchona derivatives Cinchona-Derived Chiral Phase-Transfer Catalysts for Other Asymmetric Synthesis Cinchona-Derived Chiral Poly(Phase-Transfer Catalysts) for Asymmetric Synthesis Cinchona-derived monomeric catalyst Darzens Reaction with Cinchona-derived PTC Catalysts Mannich Reactions with Cinchona-derived PTC Catalysts Monomeric catalysts, cinchona-derive Phase-transfer catalysis conditions cinchona alkaloid-derived catalyst