SEARCH Articles Figures Tables Asymmetric Epoxidation with Polymeric Cinchona-PTCs Asymmetric polymeric cinchona-PTCs Chiral cinchona-PTCs Cinchona Darzens Reaction with Cinchona-derived PTC Catalysts Dimeric Cinchona-PTCs with Phenyl Linker Mannich Reactions with Cinchona-derived PTC Catalysts PTC-124 Phenyl- and 2,7-Naphthyl-Linked Dimeric Cinchona-PTCs Polymeric Cinchona-PTCs with Other Linkers Polymeric cinchona-PTCs Stereoselectivity cinchona-PTCs