SEARCH Articles Figures Tables Alkaloid Derivatives as Asymmetric Phase-transfer Catalysts Alkaloids as phase-transfer-catalysts Alkaloids phase-transfer reaction Alkaloids solid-phase organic synthesis Chiral stationary phase cinchona-alkaloid-bonded Cinchona Alkaloids in Asymmetric Phase-Transfer Catalysis Cinchona Alkaloids in Phase-Transfer Catalysis Cinchona alkaloids phase-transfer Phase-transfer catalysis conditions cinchona alkaloid-derived catalyst Quinazoline alkaloids, solid-phase Stationary phase cinchona-alkaloid-bonded