SEARCH Articles Figures Tables Aldol and Nitroaldol Reactions (Preparation of Chiral Quaternary Ammonium Fluorides) Ammonium Ions as Chiral Templates Ammonium bifluorides, chiral quaternary Ammonium bromide, chiral quaternary Ammonium phenoxide, chiral Ammonium salts, chiral Ammonium salts, chiral structures Asymmetric epoxidation catalyzed by novel azacrown ether-type chiral quaternary ammonium salts under phase-transfer catalytic conditions Asymmetric epoxidation chiral quaternary ammonium salts Axially chiral quaternary ammonium Betaines chiral ammonium Catalysts chiral ammonium salt phase Chiral Ammonium Betaine-Catalyzed Mannich Reactions Chiral Quaternary Ammonium Salts as Catalysts for the Strecker Reaction Chiral ammonium center Chiral ammonium fluorides Chiral ammonium ketene enolates reaction Chiral ammonium ketone Chiral ammonium salts, catalysis Chiral compounds quaternary ammonium catalysts Chiral quaternary ammonium catalysts Chiral quaternary ammonium cinchonidine salts Chiral quaternary ammonium fluorides Chiral quaternary ammonium salt Homogeneous Catalysis with Chiral Quaternary Ammonium Bifluorides Lactonization, chiral ammonium Lactonization, chiral ammonium phenoxide N-spiro chiral quaternary ammonium Reactions of Chiral Ammonium Ketene Enolates as Nucleophiles with Different Electrophiles Salts chiral quaternary ammonium bromide