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Evaluation of the contribution to enantioselectivity of quinine and quinidine scaffolds in chemically and physically mixed chiral selectors.
TLDR
Three "dimeric" C(9)-carbamates of quinine (QN) and quinidine (QD) were synthesized and used as chiral selectors for HPLC and capillary electrophoresis (CE) for the resolution of chiral acids.
Novel cinchona alkaloid O9-hydrazide derivatives as chiral anion-exchange-type selectors: Synthesis and chromatographic evaluation
SummarySix new quinine (QN) O9-hydrazide derivatives with different substituents have been synthesized and immobilized on porous silica gel for HPLC. The chiral resolving power of these